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90054472 = 2389126481
BaseRepresentation
bin1010101111000…
…01111101001000
320021110020111211
411113201331020
5141023220342
612534102504
72142310324
oct527417510
9207406454
1090054472
1146919292
12261aaa34
1315870991
14bd62984
157d8cc17
hex55e1f48

90054472 has 16 divisors (see below), whose sum is σ = 170750700. Its totient is φ = 44520960.

The previous prime is 90054469. The next prime is 90054487. The reversal of 90054472 is 27445009.

It can be written as a sum of positive squares in 2 ways, for example, as 80030916 + 10023556 = 8946^2 + 3166^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62529 + ... + 63952.

Almost surely, 290054472 is an apocalyptic number.

It is an amenable number.

90054472 is a deficient number, since it is larger than the sum of its proper divisors (80696228).

90054472 is a wasteful number, since it uses less digits than its factorization.

90054472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126576 (or 126572 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 90054472 is about 9489.7034727119. The cubic root of 90054472 is about 448.2308679324.

The spelling of 90054472 in words is "ninety million, fifty-four thousand, four hundred seventy-two".

Divisors: 1 2 4 8 89 178 356 712 126481 252962 505924 1011848 11256809 22513618 45027236 90054472