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72377248 = 252261789
BaseRepresentation
bin1000101000001…
…10001110100000
312001012010220211
410110012032200
5122012032443
611103143504
71536124246
oct424061640
9161163824
1072377248
1137945109
12202a4b94
1311cc1898
149880796
15654a19d
hex45063a0

72377248 has 12 divisors (see below), whose sum is σ = 142492770. Its totient is φ = 36188608.

The previous prime is 72377191. The next prime is 72377257. The reversal of 72377248 is 84277327.

It can be written as a sum of positive squares in only one way, i.e., 48052624 + 24324624 = 6932^2 + 4932^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72377248.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130863 + ... + 1130926.

Almost surely, 272377248 is an apocalyptic number.

It is an amenable number.

72377248 is a deficient number, since it is larger than the sum of its proper divisors (70115522).

72377248 is a wasteful number, since it uses less digits than its factorization.

72377248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261799 (or 2261791 counting only the distinct ones).

The product of its digits is 131712, while the sum is 40.

The square root of 72377248 is about 8507.4818836128. The cubic root of 72377248 is about 416.7420802876.

The spelling of 72377248 in words is "seventy-two million, three hundred seventy-seven thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 32 2261789 4523578 9047156 18094312 36188624 72377248