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1157951082 = 23389496123
BaseRepresentation
bin100010100000100…
…1110111001101010
32222200220000021010
41011001032321222
54332413413312
6310522524350
740460264451
oct10501167152
92880800233
101157951082
115446a6872
122839666b6
13155b91172
14adb05b98
156b9d193c
hex4504ee6a

1157951082 has 16 divisors (see below), whose sum is σ = 2321860320. Its totient is φ = 384990672.

The previous prime is 1157951071. The next prime is 1157951083. The reversal of 1157951082 is 2801597511.

It is a self number, because there is not a number n which added to its sum of digits gives 1157951082.

It is not an unprimeable number, because it can be changed into a prime (1157951083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245728 + ... + 250395.

It is an arithmetic number, because the mean of its divisors is an integer number (145116270).

Almost surely, 21157951082 is an apocalyptic number.

1157951082 is an abundant number, since it is smaller than the sum of its proper divisors (1163909238).

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

1157951082 is a wasteful number, since it uses less digits than its factorization.

1157951082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496517.

The product of its (nonzero) digits is 25200, while the sum is 39.

The square root of 1157951082 is about 34028.6802859000. The cubic root of 1157951082 is about 1050.0985794067.

The spelling of 1157951082 in words is "one billion, one hundred fifty-seven million, nine hundred fifty-one thousand, eighty-two".

Divisors: 1 2 3 6 389 778 1167 2334 496123 992246 1488369 2976738 192991847 385983694 578975541 1157951082