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100072748 = 2225018187
BaseRepresentation
bin1011111011011…
…11110100101100
320222022020000002
411331233310230
5201104311443
613532523432
72323414166
oct575576454
9228266002
10100072748
1151541156
1229620578
131796a959
14d40d936
158bbb2b8
hex5f6fd2c

100072748 has 6 divisors (see below), whose sum is σ = 175127316. Its totient is φ = 50036372.

The previous prime is 100072733. The next prime is 100072769. The reversal of 100072748 is 847270001.

It is a self number, because there is not a number n which added to its sum of digits gives 100072748.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12509090 + ... + 12509097.

It is an arithmetic number, because the mean of its divisors is an integer number (29187886).

Almost surely, 2100072748 is an apocalyptic number.

It is an amenable number.

100072748 is a deficient number, since it is larger than the sum of its proper divisors (75054568).

100072748 is a wasteful number, since it uses less digits than its factorization.

100072748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25018191 (or 25018189 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 100072748 is about 10003.6367387066. The cubic root of 100072748 is about 464.2714115132.

The spelling of 100072748 in words is "one hundred million, seventy-two thousand, seven hundred forty-eight".

Divisors: 1 2 4 25018187 50036374 100072748