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157556485 = 5261712041
BaseRepresentation
bin10010110010000…
…01111100000101
3101222110200212101
421121001330011
5310313301420
623344552101
73622131232
oct1131017405
9358420771
10157556485
1180a33579
1244922631
13268464b8
1416cd4789
15dc7360a
hex9641f05

157556485 has 8 divisors (see below), whose sum is σ = 189155736. Its totient is φ = 125986560.

The previous prime is 157556467. The next prime is 157556501. The reversal of 157556485 is 584655751.

It can be written as a sum of positive squares in 4 ways, for example, as 66048129 + 91508356 = 8127^2 + 9566^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157556485 - 25 = 157556453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7065 + ... + 19105.

It is an arithmetic number, because the mean of its divisors is an integer number (23644467).

Almost surely, 2157556485 is an apocalyptic number.

It is an amenable number.

157556485 is a deficient number, since it is larger than the sum of its proper divisors (31599251).

157556485 is a wasteful number, since it uses less digits than its factorization.

157556485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14663.

The product of its digits is 840000, while the sum is 46.

The square root of 157556485 is about 12552.1506125444. The cubic root of 157556485 is about 540.1057006163.

The spelling of 157556485 in words is "one hundred fifty-seven million, five hundred fifty-six thousand, four hundred eighty-five".

Divisors: 1 5 2617 12041 13085 60205 31511297 157556485