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90382146 = 231091131223
BaseRepresentation
bin1010110001100…
…01111101000010
320022001212222220
411120301331002
5141114212041
612545111510
72145143541
oct530617502
9208055886
1090382146
1147022498
1226328596
1315956b7a
14c00a158
157e04d66
hex5631f42

90382146 has 32 divisors (see below), whose sum is σ = 184187520. Its totient is φ = 29562624.

The previous prime is 90382141. The next prime is 90382153. The reversal of 90382146 is 64128309.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90382141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73291 + ... + 74513.

It is an arithmetic number, because the mean of its divisors is an integer number (5755860).

Almost surely, 290382146 is an apocalyptic number.

90382146 is an abundant number, since it is smaller than the sum of its proper divisors (93805374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90382146 is a wasteful number, since it uses less digits than its factorization.

90382146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 90382146 is about 9506.9525085592. The cubic root of 90382146 is about 448.7738571488.

The spelling of 90382146 in words is "ninety million, three hundred eighty-two thousand, one hundred forty-six".

Divisors: 1 2 3 6 109 113 218 226 327 339 654 678 1223 2446 3669 7338 12317 24634 36951 73902 133307 138199 266614 276398 399921 414597 799842 829194 15063691 30127382 45191073 90382146