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90073504 = 2513121487
BaseRepresentation
bin1010101111001…
…10100110100000
320021111012121201
411113212212200
5141024323004
612534330544
72142416653
oct527464640
9207435551
1090073504
1146931614
12261b9a54
1315879541
14bd6989a
157d936a4
hex55e69a0

90073504 has 24 divisors (see below), whose sum is σ = 178694208. Its totient is φ = 44690880.

The previous prime is 90073483. The next prime is 90073541. The reversal of 90073504 is 40537009.

It is a super-2 number, since 2×900735042 = 16226472245676032, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6552 + ... + 14935.

It is an arithmetic number, because the mean of its divisors is an integer number (7445592).

Almost surely, 290073504 is an apocalyptic number.

It is an amenable number.

90073504 is a deficient number, since it is larger than the sum of its proper divisors (88620704).

90073504 is a wasteful number, since it uses less digits than its factorization.

90073504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21628 (or 21620 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 90073504 is about 9490.7061907953. The cubic root of 90073504 is about 448.2624418927.

The spelling of 90073504 in words is "ninety million, seventy-three thousand, five hundred four".

Divisors: 1 2 4 8 16 32 131 262 524 1048 2096 4192 21487 42974 85948 171896 343792 687584 2814797 5629594 11259188 22518376 45036752 90073504