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90534830 = 259053483
BaseRepresentation
bin1010110010101…
…11001110101110
320022100122102212
411121113032232
5141134103310
612552250422
72146350641
oct531271656
9208318385
1090534830
1147117181
12263a0a12
13159ab509
14c049a58
157e35205
hex56573ae

90534830 has 8 divisors (see below), whose sum is σ = 162962712. Its totient is φ = 36213928.

The previous prime is 90534827. The next prime is 90534833. The reversal of 90534830 is 3843509.

It is an interprime number because it is at equal distance from previous prime (90534827) and next prime (90534833).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90534833) 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, 4526732 + ... + 4526751.

It is an arithmetic number, because the mean of its divisors is an integer number (20370339).

Almost surely, 290534830 is an apocalyptic number.

90534830 is a deficient number, since it is larger than the sum of its proper divisors (72427882).

90534830 is a wasteful number, since it uses less digits than its factorization.

90534830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9053490.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 90534830 is about 9514.9792432774. The cubic root of 90534830 is about 449.0264219252.

The spelling of 90534830 in words is "ninety million, five hundred thirty-four thousand, eight hundred thirty".

Divisors: 1 2 5 10 9053483 18106966 45267415 90534830