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157834444 = 22197612729
BaseRepresentation
bin10010110100001…
…01110011001100
3101222222211011011
421122011303030
5310401200234
623354535004
73624366505
oct1132056314
9358884134
10157834444
1181103399
1244a37464
1326912b81
1416d67bac
15dccab64
hex9685ccc

157834444 has 24 divisors (see below), whose sum is σ = 291236400. Its totient is φ = 74638080.

The previous prime is 157834429. The next prime is 157834447. The reversal of 157834444 is 444438751.

It is a junction number, because it is equal to n+sod(n) for n = 157834397 and 157834406.

It is not an unprimeable number, because it can be changed into a prime (157834447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56472 + ... + 59200.

It is an arithmetic number, because the mean of its divisors is an integer number (12134850).

Almost surely, 2157834444 is an apocalyptic number.

It is an amenable number.

157834444 is a deficient number, since it is larger than the sum of its proper divisors (133401956).

157834444 is a wasteful number, since it uses less digits than its factorization.

157834444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3513 (or 3511 counting only the distinct ones).

The product of its digits is 215040, while the sum is 40.

The square root of 157834444 is about 12563.2178998854. The cubic root of 157834444 is about 540.4231297227.

The spelling of 157834444 in words is "one hundred fifty-seven million, eight hundred thirty-four thousand, four hundred forty-four".

Divisors: 1 2 4 19 38 76 761 1522 2729 3044 5458 10916 14459 28918 51851 57836 103702 207404 2076769 4153538 8307076 39458611 78917222 157834444