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151361 = 723089
BaseRepresentation
bin100100111101000001
321200121222
4210331001
514320421
63124425
71200200
oct447501
9250558
10151361
11a37a1
1273715
1353b82
143d237
152ecab
hex24f41

151361 has 6 divisors (see below), whose sum is σ = 176130. Its totient is φ = 129696.

The previous prime is 151357. The next prime is 151379. The reversal of 151361 is 163151.

It can be written as a sum of positive squares in only one way, i.e., 148225 + 3136 = 385^2 + 56^2 .

It is not a de Polignac number, because 151361 - 22 = 151357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 151361.

It is not an unprimeable number, because it can be changed into a prime (151381) 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, 1496 + ... + 1593.

It is an arithmetic number, because the mean of its divisors is an integer number (29355).

2151361 is an apocalyptic number.

It is an amenable number.

151361 is a deficient number, since it is larger than the sum of its proper divisors (24769).

151361 is an equidigital number, since it uses as much as digits as its factorization.

151361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103 (or 3096 counting only the distinct ones).

The product of its digits is 90, while the sum is 17.

The square root of 151361 is about 389.0514104845. The cubic root of 151361 is about 53.2931424637.

It can be divided in two parts, 151 and 361, that added together give a 9-th power (512 = 29).

The spelling of 151361 in words is "one hundred fifty-one thousand, three hundred sixty-one".

Divisors: 1 7 49 3089 21623 151361