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1369829888 = 297254601
BaseRepresentation
bin101000110100101…
…1111001000000000
310112110120120100022
41101221133020000
510301134024023
6343532113012
745642235100
oct12151371000
93473516308
101369829888
11643262519
12322905768
1318aa4723b
14cdcdb200
15803d57c8
hex51a5f200

1369829888 has 60 divisors (see below), whose sum is σ = 3183897222. Its totient is φ = 587059200.

The previous prime is 1369829869. The next prime is 1369829897. The reversal of 1369829888 is 8889289631.

It can be written as a sum of positive squares in only one way, i.e., 1357775104 + 12054784 = 36848^2 + 3472^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1369829888.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2213 + ... + 52388.

Almost surely, 21369829888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1369829888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1591948611).

1369829888 is an abundant number, since it is smaller than the sum of its proper divisors (1814067334).

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

1369829888 is an frugal number, since it uses more digits than its factorization.

1369829888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54633 (or 54610 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 62.

The square root of 1369829888 is about 37011.2130036290. The cubic root of 1369829888 is about 1110.5945704051.

The spelling of 1369829888 in words is "one billion, three hundred sixty-nine million, eight hundred twenty-nine thousand, eight hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 392 448 512 784 896 1568 1792 3136 3584 6272 12544 25088 54601 109202 218404 382207 436808 764414 873616 1528828 1747232 2675449 3057656 3494464 5350898 6115312 6988928 10701796 12230624 13977856 21403592 24461248 27955712 42807184 48922496 85614368 97844992 171228736 195689984 342457472 684914944 1369829888