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8910897480 = 233551753927
BaseRepresentation
bin10000100110010000…
…11000000101001000
3212000000102111100000
420103020120011020
5121222142204410
64032115243000
7433551243642
oct102310300510
925000374300
108910897480
113862a73191
1218882a9460
13ac0183a04
1460765d892
1537247adc0
hex213218148

8910897480 has 192 divisors, whose sum is σ = 31800263040. Its totient is φ = 2236419072.

The previous prime is 8910897451. The next prime is 8910897487. The reversal of 8910897480 is 847980198.

8910897480 is a `hidden beast` number, since 89 + 1 + 0 + 89 + 7 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (8910897487) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138277 + ... + 192203.

It is an arithmetic number, because the mean of its divisors is an integer number (165626370).

Almost surely, 28910897480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8910897480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15900131520).

8910897480 is an abundant number, since it is smaller than the sum of its proper divisors (22889365560).

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

8910897480 is a wasteful number, since it uses less digits than its factorization.

8910897480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53970 (or 53954 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The square root of 8910897480 is about 94397.5501800762. The cubic root of 8910897480 is about 2073.1965734749.

The spelling of 8910897480 in words is "eight billion, nine hundred ten million, eight hundred ninety-seven thousand, four hundred eighty".