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1373147136 = 212321932
BaseRepresentation
bin101000111011000…
…1001000000000000
310112200211002202100
41101312021000000
510303011202021
6344131150400
746012362264
oct12166110000
93480732670
101373147136
11645118849
12323a45400
1318b6390ca
14d05220a4
158083d626
hex51d89000

1373147136 has 117 divisors (see below), whose sum is σ = 3987042969. Its totient is φ = 455344128.

The previous prime is 1373147123. The next prime is 1373147141. The reversal of 1373147136 is 6317413731.

The square root of 1373147136 is 37056.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 332697600 + 1040449536 = 18240^2 + 32256^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1373147136.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7114656 + ... + 7114848.

Almost surely, 21373147136 is an apocalyptic number.

1373147136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1373147136 is the 37056-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1373147136

1373147136 is an abundant number, since it is smaller than the sum of its proper divisors (2613895833).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1373147136 is an frugal number, since it uses more digits than its factorization.

1373147136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 198 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The cubic root of 1373147136 is about 1111.4903380143.

Multiplying 1373147136 by its sum of digits (36), we get a square (49433296896 = 2223362).

1373147136 divided by its sum of digits (36) gives a square (38142976 = 61762).

The spelling of 1373147136 in words is "one billion, three hundred seventy-three million, one hundred forty-seven thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 193 256 288 384 386 512 576 579 768 772 1024 1152 1158 1536 1544 1737 2048 2304 2316 3072 3088 3474 4096 4608 4632 6144 6176 6948 9216 9264 12288 12352 13896 18432 18528 24704 27792 36864 37056 37249 49408 55584 74112 74498 98816 111168 111747 148224 148996 197632 222336 223494 296448 297992 335241 395264 444672 446988 592896 595984 670482 790528 889344 893976 1185792 1191968 1340964 1778688 1787952 2371584 2383936 2681928 3557376 3575904 4767872 5363856 7114752 7151808 9535744 10727712 14303616 19071488 21455424 28607232 38142976 42910848 57214464 76285952 85821696 114428928 152571904 171643392 228857856 343286784 457715712 686573568 1373147136