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72413704 = 2311822883
BaseRepresentation
bin1000101000011…
…11001000001000
312001020222221001
410110033020020
5122014214304
611104024344
71536335446
oct424171010
9161228831
1072413704
113796a540
12203020b4
131200535c
14988db96
156555da4
hex450f208

72413704 has 16 divisors (see below), whose sum is σ = 148119120. Its totient is φ = 32915280.

The previous prime is 72413689. The next prime is 72413713. The reversal of 72413704 is 40731427.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411354 + ... + 411529.

It is an arithmetic number, because the mean of its divisors is an integer number (9257445).

Almost surely, 272413704 is an apocalyptic number.

It is an amenable number.

72413704 is an abundant number, since it is smaller than the sum of its proper divisors (75705416).

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

72413704 is a wasteful number, since it uses less digits than its factorization.

72413704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822900 (or 822896 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 72413704 is about 8509.6241985178. The cubic root of 72413704 is about 416.8120387326.

The spelling of 72413704 in words is "seventy-two million, four hundred thirteen thousand, seven hundred four".

Divisors: 1 2 4 8 11 22 44 88 822883 1645766 3291532 6583064 9051713 18103426 36206852 72413704