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155253134 = 243241983
BaseRepresentation
bin10010100000011…
…11100110001110
3101211010200021002
421100033212032
5304221100014
623223340302
73563426021
oct1120174616
9354120232
10155253134
117a6aaa83
1243bb1692
132621ac7a
14168951b8
15d96adde
hex940f98e

155253134 has 12 divisors (see below), whose sum is σ = 238427136. Its totient is φ = 75819492.

The previous prime is 155253107. The next prime is 155253143. The reversal of 155253134 is 431352551.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 155253097 and 155253106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17294 + ... + 24689.

It is an arithmetic number, because the mean of its divisors is an integer number (19868928).

Almost surely, 2155253134 is an apocalyptic number.

155253134 is a deficient number, since it is larger than the sum of its proper divisors (83174002).

155253134 is an equidigital number, since it uses as much as digits as its factorization.

155253134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42071 (or 42028 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 155253134 is about 12460.0615568303. The cubic root of 155253134 is about 537.4607971408.

The spelling of 155253134 in words is "one hundred fifty-five million, two hundred fifty-three thousand, one hundred thirty-four".

Divisors: 1 2 43 86 1849 3698 41983 83966 1805269 3610538 77626567 155253134