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89004980 = 22537120277
BaseRepresentation
bin1010100111000…
…01101110110100
320012110220212202
411103201232310
5140241124410
612455404032
72130346511
oct523415664
9205426782
1089004980
1146271839
1225983618
131559408c
14bb6c308
157c31ca5
hex54e1bb4

89004980 has 24 divisors (see below), whose sum is σ = 191963688. Its totient is φ = 34639488.

The previous prime is 89004977. The next prime is 89004991. The reversal of 89004980 is 8940098.

It can be written as a sum of positive squares in 4 ways, for example, as 8076964 + 80928016 = 2842^2 + 8996^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59399 + ... + 60878.

It is an arithmetic number, because the mean of its divisors is an integer number (7998487).

Almost surely, 289004980 is an apocalyptic number.

It is an amenable number.

89004980 is an abundant number, since it is smaller than the sum of its proper divisors (102958708).

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

89004980 is a wasteful number, since it uses less digits than its factorization.

89004980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120323 (or 120321 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 89004980 is about 9434.2450678366. The cubic root of 89004980 is about 446.4828369052.

The spelling of 89004980 in words is "eighty-nine million, four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 120277 240554 481108 601385 1202770 2405540 4450249 8900498 17800996 22251245 44502490 89004980