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155252 = 22371049
BaseRepresentation
bin100101111001110100
321212222002
4211321310
514432002
63154432
71214426
oct457164
9255862
10155252
11a6709
1275a18
1355886
1440816
1531002
hex25e74

155252 has 12 divisors (see below), whose sum is σ = 279300. Its totient is φ = 75456.

The previous prime is 155251. The next prime is 155269. The reversal of 155252 is 252551.

It can be written as a sum of positive squares in 2 ways, for example, as 139876 + 15376 = 374^2 + 124^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377 + ... + 672.

It is an arithmetic number, because the mean of its divisors is an integer number (23275).

2155252 is an apocalyptic number.

It is an amenable number.

155252 is a deficient number, since it is larger than the sum of its proper divisors (124048).

155252 is a wasteful number, since it uses less digits than its factorization.

155252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 1088 counting only the distinct ones).

The product of its digits is 500, while the sum is 20.

The square root of 155252 is about 394.0203040454. The cubic root of 155252 is about 53.7459488564.

It can be divided in two parts, 155 and 252, that multiplied together give a triangular number (39060 = T279).

The spelling of 155252 in words is "one hundred fifty-five thousand, two hundred fifty-two".

Divisors: 1 2 4 37 74 148 1049 2098 4196 38813 77626 155252