Search a number
-
+
90150858 = 23271937657
BaseRepresentation
bin1010101111110…
…01011111001010
320021122010201200
411113321133022
5141034311413
612540125030
72143161330
oct527713712
9207563650
1090150858
1146984746
1226236776
13158a5805
14bd89b50
157dab573
hex55f97ca

90150858 has 48 divisors (see below), whose sum is σ = 234985920. Its totient is φ = 24401088.

The previous prime is 90150803. The next prime is 90150871. The reversal of 90150858 is 85805109.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16435 + ... + 21222.

It is an arithmetic number, because the mean of its divisors is an integer number (4895540).

Almost surely, 290150858 is an apocalyptic number.

90150858 is an abundant number, since it is smaller than the sum of its proper divisors (144835062).

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

90150858 is a wasteful number, since it uses less digits than its factorization.

90150858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37691 (or 37688 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The square root of 90150858 is about 9494.7805661848. The cubic root of 90150858 is about 448.3907259052.

The spelling of 90150858 in words is "ninety million, one hundred fifty thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 7 9 14 18 19 21 38 42 57 63 114 126 133 171 266 342 399 798 1197 2394 37657 75314 112971 225942 263599 338913 527198 677826 715483 790797 1430966 1581594 2146449 2372391 4292898 4744782 5008381 6439347 10016762 12878694 15025143 30050286 45075429 90150858