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157061061 = 3217451229
BaseRepresentation
bin10010101110010…
…00111111000101
3101221112112021100
421113020333011
5310201423221
623330210313
73614665653
oct1127107705
9357475240
10157061061
1180725333
1244723999
1326701b51
1416c05dd3
15dbc6926
hex95c8fc5

157061061 has 6 divisors (see below), whose sum is σ = 226865990. Its totient is φ = 104707368.

The previous prime is 157061039. The next prime is 157061063. The reversal of 157061061 is 160160751.

It can be written as a sum of positive squares in only one way, i.e., 134792100 + 22268961 = 11610^2 + 4719^2 .

It is not a de Polignac number, because 157061061 - 25 = 157061029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157061063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8725606 + ... + 8725623.

Almost surely, 2157061061 is an apocalyptic number.

It is an amenable number.

157061061 is a deficient number, since it is larger than the sum of its proper divisors (69804929).

157061061 is a wasteful number, since it uses less digits than its factorization.

157061061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17451235 (or 17451232 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 157061061 is about 12532.4004484376. The cubic root of 157061061 is about 539.5389995579.

The spelling of 157061061 in words is "one hundred fifty-seven million, sixty-one thousand, sixty-one".

Divisors: 1 3 9 17451229 52353687 157061061