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151430294 = 275715147
BaseRepresentation
bin10010000011010…
…10010010010110
3101112221110022102
421001222102112
5302231232134
623005402102
73516064511
oct1101522226
9345843272
10151430294
1178529904
1242869332
13254acc32
141617bd78
15d46337e
hex906a496

151430294 has 4 divisors (see below), whose sum is σ = 227145444. Its totient is φ = 75715146.

The previous prime is 151430273. The next prime is 151430297. The reversal of 151430294 is 492034151.

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

It is a super-2 number, since 2×1514302942 = 45862267881852872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151430297) 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, 37857572 + ... + 37857575.

It is an arithmetic number, because the mean of its divisors is an integer number (56786361).

Almost surely, 2151430294 is an apocalyptic number.

151430294 is a deficient number, since it is larger than the sum of its proper divisors (75715150).

151430294 is an equidigital number, since it uses as much as digits as its factorization.

151430294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75715149.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 151430294 is about 12305.7016866167. The cubic root of 151430294 is about 533.0127386612.

The spelling of 151430294 in words is "one hundred fifty-one million, four hundred thirty thousand, two hundred ninety-four".

Divisors: 1 2 75715147 151430294