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155274 = 2373697
BaseRepresentation
bin100101111010001010
321212222220
4211322022
514432044
63154510
71214460
oct457212
9255886
10155274
11a6729
1275a36
13558a2
1440830
1531019
hex25e8a

155274 has 16 divisors (see below), whose sum is σ = 355008. Its totient is φ = 44352.

The previous prime is 155269. The next prime is 155291. The reversal of 155274 is 472551.

155274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1552742 = 48220030152, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 155274.

It is an unprimeable number.

155274 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1807 + ... + 1890.

It is an arithmetic number, because the mean of its divisors is an integer number (22188).

2155274 is an apocalyptic number.

155274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

155274 is an abundant number, since it is smaller than the sum of its proper divisors (199734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155274 is a wasteful number, since it uses less digits than its factorization.

155274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709.

The product of its digits is 1400, while the sum is 24.

The square root of 155274 is about 394.0482203995. The cubic root of 155274 is about 53.7484874281.

The spelling of 155274 in words is "one hundred fifty-five thousand, two hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 3697 7394 11091 22182 25879 51758 77637 155274