Search a number
-
+
90412151 = 312916521
BaseRepresentation
bin1010110001110…
…01010001110111
320022010102011012
411120321101313
5141121142101
612545502435
72145330164
oct530712167
9208112135
1090412151
1147042a95
1226341a1b
131596771b
14c01706b
157e0dbbb
hex5639477

90412151 has 4 divisors (see below), whose sum is σ = 93328704. Its totient is φ = 87495600.

The previous prime is 90412141. The next prime is 90412193. The reversal of 90412151 is 15121409.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 90412151 - 26 = 90412087 is a prime.

It is a super-4 number, since 4×904121514 (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90412141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1458230 + ... + 1458291.

It is an arithmetic number, because the mean of its divisors is an integer number (23332176).

Almost surely, 290412151 is an apocalyptic number.

90412151 is a deficient number, since it is larger than the sum of its proper divisors (2916553).

90412151 is a wasteful number, since it uses less digits than its factorization.

90412151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916552.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 90412151 is about 9508.5304332478. The cubic root of 90412151 is about 448.8235128621.

The spelling of 90412151 in words is "ninety million, four hundred twelve thousand, one hundred fifty-one".

Divisors: 1 31 2916521 90412151