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90027552 = 25343113193
BaseRepresentation
bin1010101110110…
…11011000100000
320021101212120210
411113123120200
5141021340202
612533334120
72142135666
oct527333040
9207355523
1090027552
114690003a
1226197340
1315861654
14bd56c36
157d84c6c
hex55db620

90027552 has 96 divisors (see below), whose sum is σ = 245222208. Its totient is φ = 28901376.

The previous prime is 90027551. The next prime is 90027583. The reversal of 90027552 is 25572009.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×900275522 = 16209920238225408, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (90027551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466368 + ... + 466560.

It is an arithmetic number, because the mean of its divisors is an integer number (2554398).

Almost surely, 290027552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90027552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122611104).

90027552 is an abundant number, since it is smaller than the sum of its proper divisors (155194656).

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

90027552 is a wasteful number, since it uses less digits than its factorization.

With its successor (90027553) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (362).

90027552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 90027552 is about 9488.2849872883. The cubic root of 90027552 is about 448.1862002358.

The spelling of 90027552 in words is "ninety million, twenty-seven thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 43 48 86 96 113 129 172 193 226 258 339 344 386 452 516 579 678 688 772 904 1032 1158 1356 1376 1544 1808 2064 2316 2712 3088 3616 4128 4632 4859 5424 6176 8299 9264 9718 10848 14577 16598 18528 19436 21809 24897 29154 33196 38872 43618 49794 58308 65427 66392 77744 87236 99588 116616 130854 132784 155488 174472 199176 233232 261708 265568 348944 398352 466464 523416 697888 796704 937787 1046832 1875574 2093664 2813361 3751148 5626722 7502296 11253444 15004592 22506888 30009184 45013776 90027552