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1393080976 = 2472312432
BaseRepresentation
bin101001100001000…
…1011101010010000
310121002022211211201
41103002023222100
510323112042401
6350122320544
746343664400
oct12302135220
93532284751
101393080976
116553a33a1
1232a659154
131927c8391
14d3030800
1582479b01
hex5308ba90

1393080976 has 135 divisors (see below), whose sum is σ = 3321516483. Its totient is φ = 564338880.

The previous prime is 1393080971. The next prime is 1393081051. The reversal of 1393080976 is 6790803931.

The square root of 1393080976 is 37324.

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

It is a super-2 number, since 2×13930809762 = 3881349211386225152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1393080971) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 32397211 + ... + 32397253.

Almost surely, 21393080976 is an apocalyptic number.

1393080976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1393080976 is the 37324-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1393080976

1393080976 is an abundant number, since it is smaller than the sum of its proper divisors (1928435507).

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

1393080976 is an equidigital number, since it uses as much as digits as its factorization.

1393080976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The cubic root of 1393080976 is about 1116.8429844800.

The spelling of 1393080976 in words is "one billion, three hundred ninety-three million, eighty thousand, nine hundred seventy-six".

Divisors: 1 2 4 7 8 14 16 28 31 43 49 56 62 86 98 112 124 172 196 217 248 301 344 392 434 496 602 688 784 868 961 1204 1333 1519 1736 1849 1922 2107 2408 2666 3038 3472 3698 3844 4214 4816 5332 6076 6727 7396 7688 8428 9331 10664 12152 12943 13454 14792 15376 16856 18662 21328 24304 25886 26908 29584 33712 37324 41323 47089 51772 53816 57319 65317 74648 82646 90601 94178 103544 107632 114638 130634 149296 165292 181202 188356 207088 229276 261268 289261 330584 362404 376712 401233 458552 522536 578522 661168 724808 753424 802466 917104 1045072 1157044 1449616 1604932 1776889 2024827 2314088 2808631 3209864 3553778 4049654 4628176 5617262 6419728 7107556 8099308 11234524 12438223 14215112 16198616 22469048 24876446 28430224 32397232 44938096 49752892 87067561 99505784 174135122 199011568 348270244 696540488 1393080976