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89926820 = 2254496341
BaseRepresentation
bin1010101110000…
…10110010100100
320021012202101222
411113002302210
5141010124240
612531235512
72141236214
oct527026244
9207182358
1089926820
1146841395
1226148b98
1315827849
14bd2c244
157d64eb5
hex55c2ca4

89926820 has 12 divisors (see below), whose sum is σ = 188846364. Its totient is φ = 35970720.

The previous prime is 89926813. The next prime is 89926841. The reversal of 89926820 is 2862998.

It can be written as a sum of positive squares in 2 ways, for example, as 33616804 + 56310016 = 5798^2 + 7504^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2248151 + ... + 2248190.

It is an arithmetic number, because the mean of its divisors is an integer number (15737197).

Almost surely, 289926820 is an apocalyptic number.

It is an amenable number.

89926820 is an abundant number, since it is smaller than the sum of its proper divisors (98919544).

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

89926820 is a wasteful number, since it uses less digits than its factorization.

89926820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496350 (or 4496348 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 89926820 is about 9482.9752715063. The cubic root of 89926820 is about 448.0189790535.

The spelling of 89926820 in words is "eighty-nine million, nine hundred twenty-six thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 4496341 8992682 17985364 22481705 44963410 89926820