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108668648 = 23112112261
BaseRepresentation
bin1100111101000…
…10011011101000
321120110221100202
412132202123220
5210304344043
614441051332
72456445134
oct636423350
9246427322
10108668648
1156382400
1230486b48
131968a39a
141060a3c4
1598181b8
hex67a26e8

108668648 has 24 divisors (see below), whose sum is σ = 223962690. Its totient is φ = 49394400.

The previous prime is 108668647. The next prime is 108668669. The reversal of 108668648 is 846866801.

It can be written as a sum of positive squares in only one way, i.e., 56280004 + 52388644 = 7502^2 + 7238^2 .

It is not an unprimeable number, because it can be changed into a prime (108668647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55163 + ... + 57098.

Almost surely, 2108668648 is an apocalyptic number.

It is an amenable number.

108668648 is an abundant number, since it is smaller than the sum of its proper divisors (115294042).

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

108668648 is a wasteful number, since it uses less digits than its factorization.

108668648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112289 (or 112274 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The square root of 108668648 is about 10424.4255477220. The cubic root of 108668648 is about 477.2010837151.

The spelling of 108668648 in words is "one hundred eight million, six hundred sixty-eight thousand, six hundred forty-eight".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 112261 224522 449044 898088 1234871 2469742 4939484 9878968 13583581 27167162 54334324 108668648