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90582797 = 831091359
BaseRepresentation
bin1010110011000…
…10111100001101
320022110002020102
411121202330031
5141142122142
612553300445
72146640534
oct531427415
9208402212
1090582797
114714a218
1226404725
13159c72b6
14c05d31b
157e44532
hex5662f0d

90582797 has 4 divisors (see below), whose sum is σ = 91674240. Its totient is φ = 89491356.

The previous prime is 90582787. The next prime is 90582799. The reversal of 90582797 is 79728509.

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.

It is a cyclic number.

It is not a de Polignac number, because 90582797 - 210 = 90581773 is a prime.

It is a super-2 number, since 2×905827972 = 16410486224686418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90582799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545597 + ... + 545762.

It is an arithmetic number, because the mean of its divisors is an integer number (22918560).

Almost surely, 290582797 is an apocalyptic number.

It is an amenable number.

90582797 is a deficient number, since it is larger than the sum of its proper divisors (1091443).

90582797 is a wasteful number, since it uses less digits than its factorization.

90582797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091442.

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 90582797 is about 9517.4995140530. The cubic root of 90582797 is about 449.1057087134.

The spelling of 90582797 in words is "ninety million, five hundred eighty-two thousand, seven hundred ninety-seven".

Divisors: 1 83 1091359 90582797