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90582801 = 330194267
BaseRepresentation
bin1010110011000…
…10111100010001
320022110002020120
411121202330101
5141142122201
612553300453
72146640541
oct531427421
9208402216
1090582801
114714a221
1226404729
13159c72ba
14c05d321
157e44536
hex5662f11

90582801 has 4 divisors (see below), whose sum is σ = 120777072. Its totient is φ = 60388532.

The previous prime is 90582799. The next prime is 90582803. The reversal of 90582801 is 10828509.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10828509 = 33609503.

It is an interprime number because it is at equal distance from previous prime (90582799) and next prime (90582803).

It is a cyclic number.

It is not a de Polignac number, because 90582801 - 21 = 90582799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90582803) 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 3 ways as a sum of consecutive naturals, for example, 15097131 + ... + 15097136.

It is an arithmetic number, because the mean of its divisors is an integer number (30194268).

Almost surely, 290582801 is an apocalyptic number.

It is an amenable number.

90582801 is a deficient number, since it is larger than the sum of its proper divisors (30194271).

90582801 is a wasteful number, since it uses less digits than its factorization.

90582801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30194270.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 90582801 is about 9517.4997241923. The cubic root of 90582801 is about 449.1057153240.

The spelling of 90582801 in words is "ninety million, five hundred eighty-two thousand, eight hundred one".

Divisors: 1 3 30194267 90582801