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90448448 = 262948733
BaseRepresentation
bin1010110010000…
…10001001000000
320022012020221112
411121002021000
5141123322243
612550342452
72145541046
oct531021100
9208166845
1090448448
1147068292
122635aa28
131597b0bc
14c026396
157e19818
hex5642240

90448448 has 28 divisors (see below), whose sum is σ = 185676540. Its totient is φ = 43663872.

The previous prime is 90448433. The next prime is 90448451. The reversal of 90448448 is 84484409.

It can be written as a sum of positive squares in 2 ways, for example, as 57638464 + 32809984 = 7592^2 + 5728^2 .

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, 22511 + ... + 26222.

It is an arithmetic number, because the mean of its divisors is an integer number (6631305).

Almost surely, 290448448 is an apocalyptic number.

It is an amenable number.

90448448 is an abundant number, since it is smaller than the sum of its proper divisors (95228092).

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

90448448 is a wasteful number, since it uses less digits than its factorization.

90448448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48774 (or 48764 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 90448448 is about 9510.4388962865. The cubic root of 90448448 is about 448.8835666170.

The spelling of 90448448 in words is "ninety million, four hundred forty-eight thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 29 32 58 64 116 232 464 928 1856 48733 97466 194932 389864 779728 1413257 1559456 2826514 3118912 5653028 11306056 22612112 45224224 90448448