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152157061 = 7373111889
BaseRepresentation
bin10010001000110…
…11101110000101
3101121022101020201
421010123232011
5302423011221
623033130501
73525212410
oct1104335605
9347271221
10152157061
1178985941
1242b59a31
13256a5984
14162cab77
15d558891
hex911bb85

152157061 has 16 divisors (see below), whose sum is σ = 179262720. Its totient is φ = 126420480.

The previous prime is 152157053. The next prime is 152157097. The reversal of 152157061 is 160751251.

It is a cyclic number.

It is not a de Polignac number, because 152157061 - 23 = 152157053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152157041) 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 15 ways as a sum of consecutive naturals, for example, 79605 + ... + 81493.

It is an arithmetic number, because the mean of its divisors is an integer number (11203920).

Almost surely, 2152157061 is an apocalyptic number.

It is an amenable number.

152157061 is a deficient number, since it is larger than the sum of its proper divisors (27105659).

152157061 is a wasteful number, since it uses less digits than its factorization.

152157061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 152157061 is about 12335.1960260062. The cubic root of 152157061 is about 533.8640830611.

The spelling of 152157061 in words is "one hundred fifty-two million, one hundred fifty-seven thousand, sixty-one".

Divisors: 1 7 37 259 311 1889 2177 11507 13223 69893 80549 489251 587479 4112353 21736723 152157061