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90954690 = 2353031823
BaseRepresentation
bin1010110101111…
…01101111000010
320100010222101020
411122331233002
5141241022230
613005250310
72153050011
oct532755702
9210128336
1090954690
1147383672
1226563996
1315ac7658
14c118a78
157eb9810
hex56bdbc2

90954690 has 16 divisors (see below), whose sum is σ = 218291328. Its totient is φ = 24254576.

The previous prime is 90954683. The next prime is 90954697. The reversal of 90954690 is 9645909.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90954683) and next prime (90954697).

It is a super-2 number, since 2×909546902 = 16545511265992200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90954697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515882 + ... + 1515941.

It is an arithmetic number, because the mean of its divisors is an integer number (13643208).

Almost surely, 290954690 is an apocalyptic number.

90954690 is an abundant number, since it is smaller than the sum of its proper divisors (127336638).

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

90954690 is a wasteful number, since it uses less digits than its factorization.

90954690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031833.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 90954690 is about 9537.0168291767. The cubic root of 90954690 is about 449.7194794868.

The spelling of 90954690 in words is "ninety million, nine hundred fifty-four thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 3031823 6063646 9095469 15159115 18190938 30318230 45477345 90954690