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157200589 = 7132831601
BaseRepresentation
bin10010101111010…
…11000011001101
3101221210121200001
421113223003031
5310220404324
623333204301
73616116520
oct1127530315
9357717601
10157200589
1180810147
1244790691
1326750500
1416c40bb7
15dc02e44
hex95eb0cd

157200589 has 24 divisors (see below), whose sum is σ = 197007552. Its totient is φ = 122803200.

The previous prime is 157200587. The next prime is 157200613. The reversal of 157200589 is 985002751.

It is not a de Polignac number, because 157200589 - 21 = 157200587 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157200587) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97389 + ... + 98989.

It is an arithmetic number, because the mean of its divisors is an integer number (8208648).

Almost surely, 2157200589 is an apocalyptic number.

It is an amenable number.

157200589 is a deficient number, since it is larger than the sum of its proper divisors (39806963).

157200589 is a wasteful number, since it uses less digits than its factorization.

157200589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717 (or 1704 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 157200589 is about 12537.9659036065. The cubic root of 157200589 is about 539.6987219735.

The spelling of 157200589 in words is "one hundred fifty-seven million, two hundred thousand, five hundred eighty-nine".

Divisors: 1 7 13 83 91 169 581 1079 1183 1601 7553 11207 14027 20813 98189 132883 145691 270569 930181 1727479 1893983 12092353 22457227 157200589