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152752234 = 276376117
BaseRepresentation
bin10010001101011…
…01000001101010
3101122102121200011
421012231001222
5303101032414
623054002134
73533241535
oct1106550152
9348377604
10152752234
1179252018
12431a634a
132585384b
1416403a1c
15d624dc4
hex91ad06a

152752234 has 4 divisors (see below), whose sum is σ = 229128354. Its totient is φ = 76376116.

The previous prime is 152752231. The next prime is 152752247. The reversal of 152752234 is 432257251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432257251 = 491880361.

It can be written as a sum of positive squares in only one way, i.e., 111830625 + 40921609 = 10575^2 + 6397^2 .

It is a junction number, because it is equal to n+sod(n) for n = 152752196 and 152752205.

It is not an unprimeable number, because it can be changed into a prime (152752231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38188057 + ... + 38188060.

Almost surely, 2152752234 is an apocalyptic number.

152752234 is a deficient number, since it is larger than the sum of its proper divisors (76376120).

152752234 is an equidigital number, since it uses as much as digits as its factorization.

152752234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76376119.

The product of its digits is 16800, while the sum is 31.

The square root of 152752234 is about 12359.2974719439. The cubic root of 152752234 is about 534.5592596863.

The spelling of 152752234 in words is "one hundred fifty-two million, seven hundred fifty-two thousand, two hundred thirty-four".

Divisors: 1 2 76376117 152752234