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151423401 = 350474467
BaseRepresentation
bin10010000011010…
…00100110101001
3101112221002212010
421001220212221
5302231022101
623005310133
73516035433
oct1101504651
9345832763
10151423401
1178524708
1242865349
13254a9a5c
1416179653
15d4612d6
hex90689a9

151423401 has 4 divisors (see below), whose sum is σ = 201897872. Its totient is φ = 100948932.

The previous prime is 151423399. The next prime is 151423423. The reversal of 151423401 is 104324151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104324151 = 334774717.

It is not a de Polignac number, because 151423401 - 21 = 151423399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151423001) 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 in 3 ways as a sum of consecutive naturals, for example, 25237231 + ... + 25237236.

It is an arithmetic number, because the mean of its divisors is an integer number (50474468).

Almost surely, 2151423401 is an apocalyptic number.

It is an amenable number.

151423401 is a deficient number, since it is larger than the sum of its proper divisors (50474471).

151423401 is an equidigital number, since it uses as much as digits as its factorization.

151423401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50474470.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 151423401 is about 12305.4216100059. The cubic root of 151423401 is about 533.0046510840.

Adding to 151423401 its reverse (104324151), we get a palindrome (255747552).

The spelling of 151423401 in words is "one hundred fifty-one million, four hundred twenty-three thousand, four hundred one".

Divisors: 1 3 50474467 151423401