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90620472 = 23317222109
BaseRepresentation
bin1010110011011…
…00001000111000
320022111222220210
411121230020320
5141144323342
612554151120
72150155425
oct531541070
9208458823
1090620472
1147175558
12264224a0
1315a0b4a7
14c06cd4c
157e5079c
hex566c238

90620472 has 32 divisors (see below), whose sum is σ = 239878800. Its totient is φ = 28429824.

The previous prime is 90620461. The next prime is 90620527. The reversal of 90620472 is 27402609.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110647 + ... + 111462.

Almost surely, 290620472 is an apocalyptic number.

It is an amenable number.

90620472 is an abundant number, since it is smaller than the sum of its proper divisors (149258328).

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

90620472 is a wasteful number, since it uses less digits than its factorization.

90620472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222135 (or 222131 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 90620472 is about 9519.4785571480. The cubic root of 90620472 is about 449.1679637732.

The spelling of 90620472 in words is "ninety million, six hundred twenty thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 222109 444218 666327 888436 1332654 1776872 2665308 3775853 5330616 7551706 11327559 15103412 22655118 30206824 45310236 90620472