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90477234 = 2325718803
BaseRepresentation
bin1010110010010…
…01001010110010
320022020201102200
411121021022302
5141130232414
612551124030
72146021011
oct531111262
9208221380
1090477234
1147087981
1226373616
131598b233
14c032a78
157e23109
hex56492b2

90477234 has 24 divisors (see below), whose sum is σ = 196399632. Its totient is φ = 30102840.

The previous prime is 90477181. The next prime is 90477241. The reversal of 90477234 is 43277409.

It is a super-2 number, since 2×904772342 = 16372259744581512, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5877 + ... + 14679.

It is an arithmetic number, because the mean of its divisors is an integer number (8183318).

Almost surely, 290477234 is an apocalyptic number.

90477234 is an abundant number, since it is smaller than the sum of its proper divisors (105922398).

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

90477234 is a wasteful number, since it uses less digits than its factorization.

90477234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9382 (or 9379 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 90477234 is about 9511.9521655652. The cubic root of 90477234 is about 448.9311819238.

The spelling of 90477234 in words is "ninety million, four hundred seventy-seven thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 18 571 1142 1713 3426 5139 8803 10278 17606 26409 52818 79227 158454 5026513 10053026 15079539 30159078 45238617 90477234