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1157728952 = 232912739293
BaseRepresentation
bin100010100000001…
…1000101010111000
32222200110201120002
41011000120222320
54332334311302
6310514052132
740455351032
oct10500305270
92880421502
101157728952
11544564996
1228387a048
13155b14023
14ada88c52
156b98ac02
hex45018ab8

1157728952 has 32 divisors (see below), whose sum is σ = 2263334400. Its totient is φ = 554488704.

The previous prime is 1157728933. The next prime is 1157728967. The reversal of 1157728952 is 2598277511.

It is a junction number, because it is equal to n+sod(n) for n = 1157728897 and 1157728906.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9818 + ... + 49110.

It is an arithmetic number, because the mean of its divisors is an integer number (70729200).

Almost surely, 21157728952 is an apocalyptic number.

It is an amenable number.

1157728952 is a deficient number, since it is larger than the sum of its proper divisors (1105605448).

1157728952 is a wasteful number, since it uses less digits than its factorization.

1157728952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39455 (or 39451 counting only the distinct ones).

The product of its digits is 352800, while the sum is 47.

The square root of 1157728952 is about 34025.4162649041. The cubic root of 1157728952 is about 1050.0314282354.

The spelling of 1157728952 in words is "one billion, one hundred fifty-seven million, seven hundred twenty-eight thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 29 58 116 127 232 254 508 1016 3683 7366 14732 29464 39293 78586 157172 314344 1139497 2278994 4557988 4990211 9115976 9980422 19960844 39921688 144716119 289432238 578864476 1157728952