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90472337232 = 2431884840359
BaseRepresentation
bin101010001000010010…
…0100100111101010000
322122112011122220222220
41110100210210331100
52440241404242412
6105321252101040
76351663115014
oct1242044447520
9278464586886
1090472337232
1135407304042
121564b004780
1386ba940174
144543932544
152547a7d68c
hex1510924f50

90472337232 has 20 divisors (see below), whose sum is σ = 233720204640. Its totient is φ = 30157445728.

The previous prime is 90472337231. The next prime is 90472337233. The reversal of 90472337232 is 23273327409.

It is an interprime number because it is at equal distance from previous prime (90472337231) and next prime (90472337233).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90472337231) 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, 942420132 + ... + 942420227.

It is an arithmetic number, because the mean of its divisors is an integer number (11686010232).

Almost surely, 290472337232 is an apocalyptic number.

It is an amenable number.

90472337232 is an abundant number, since it is smaller than the sum of its proper divisors (143247867408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90472337232 is a wasteful number, since it uses less digits than its factorization.

90472337232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884840370 (or 1884840364 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 42.

The spelling of 90472337232 in words is "ninety billion, four hundred seventy-two million, three hundred thirty-seven thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 1884840359 3769680718 5654521077 7539361436 11309042154 15078722872 22618084308 30157445744 45236168616 90472337232