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152551061 = 132902669
BaseRepresentation
bin10010001011110…
…11111010010101
3101122001101201022
421011323322111
5303023113221
623045410525
73531443165
oct1105737225
9348041638
10152551061
1179124963
1243109a45
13257b3100
14163905a5
15d5d54ab
hex917be95

152551061 has 6 divisors (see below), whose sum is σ = 165188610. Its totient is φ = 140816208.

The previous prime is 152551039. The next prime is 152551067. The reversal of 152551061 is 160155251.

It can be written as a sum of positive squares in 3 ways, for example, as 21104836 + 131446225 = 4594^2 + 11465^2 .

It is not a de Polignac number, because 152551061 - 222 = 148356757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152551061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152551067) 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, 451166 + ... + 451503.

It is an arithmetic number, because the mean of its divisors is an integer number (27531435).

Almost surely, 2152551061 is an apocalyptic number.

It is an amenable number.

152551061 is a deficient number, since it is larger than the sum of its proper divisors (12637549).

152551061 is an equidigital number, since it uses as much as digits as its factorization.

152551061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902695 (or 902682 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 152551061 is about 12351.1562616623. The cubic root of 152551061 is about 534.3244870507.

The spelling of 152551061 in words is "one hundred fifty-two million, five hundred fifty-one thousand, sixty-one".

Divisors: 1 13 169 902669 11734697 152551061