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152970434 = 276485217
BaseRepresentation
bin10010001111000…
…10010011000010
3101122211200222122
421013202103002
5303130023214
623102404242
73535140641
oct1107422302
9348750878
10152970434
1179390a51
1243290682
13258cbc66
141645d358
15d66988e
hex91e24c2

152970434 has 4 divisors (see below), whose sum is σ = 229455654. Its totient is φ = 76485216.

The previous prime is 152970431. The next prime is 152970443. The reversal of 152970434 is 434079251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 139169209 + 13801225 = 11797^2 + 3715^2 .

It is a junction number, because it is equal to n+sod(n) for n = 152970394 and 152970403.

It is not an unprimeable number, because it can be changed into a prime (152970431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38242607 + ... + 38242610.

Almost surely, 2152970434 is an apocalyptic number.

152970434 is a deficient number, since it is larger than the sum of its proper divisors (76485220).

152970434 is an equidigital number, since it uses as much as digits as its factorization.

152970434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76485219.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 152970434 is about 12368.1216843949. The cubic root of 152970434 is about 534.8136702278.

The spelling of 152970434 in words is "one hundred fifty-two million, nine hundred seventy thousand, four hundred thirty-four".

Divisors: 1 2 76485217 152970434