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90504343 = 412207423
BaseRepresentation
bin1010110010011…
…11110010010111
320022022002121201
411121033302113
5141132114333
612551453331
72146163026
oct531176227
9208262551
1090504343
11470a6286
1226387247
131599a687
14c03c8bd
157e2b17d
hex564fc97

90504343 has 4 divisors (see below), whose sum is σ = 92711808. Its totient is φ = 88296880.

The previous prime is 90504329. The next prime is 90504371. The reversal of 90504343 is 34340509.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90504343 - 217 = 90373271 is a prime.

It is a super-2 number, since 2×905043432 = 16382072203723298, 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 (90504373) 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, 1103671 + ... + 1103752.

It is an arithmetic number, because the mean of its divisors is an integer number (23177952).

Almost surely, 290504343 is an apocalyptic number.

90504343 is a deficient number, since it is larger than the sum of its proper divisors (2207465).

90504343 is a wasteful number, since it uses less digits than its factorization.

90504343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207464.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 90504343 is about 9513.3770554940. The cubic root of 90504343 is about 448.9760140493.

The spelling of 90504343 in words is "ninety million, five hundred four thousand, three hundred forty-three".

Divisors: 1 41 2207423 90504343