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90914146 = 245457073
BaseRepresentation
bin1010110101100…
…11110101100010
320100001220202121
411122303311202
5141233223041
613004334454
72152520551
oct532636542
9210056677
1090914146
1147356164
122654442a
1315ab206b
14c107d98
157eac7d1
hex56b3d62

90914146 has 4 divisors (see below), whose sum is σ = 136371222. Its totient is φ = 45457072.

The previous prime is 90914137. The next prime is 90914171. The reversal of 90914146 is 64141909.

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., 86025625 + 4888521 = 9275^2 + 2211^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22728535 + ... + 22728538.

Almost surely, 290914146 is an apocalyptic number.

90914146 is a deficient number, since it is larger than the sum of its proper divisors (45457076).

90914146 is a wasteful number, since it uses less digits than its factorization.

90914146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45457075.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 90914146 is about 9534.8909799745. The cubic root of 90914146 is about 449.6526471754.

The spelling of 90914146 in words is "ninety million, nine hundred fourteen thousand, one hundred forty-six".

Divisors: 1 2 45457073 90914146