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472072008 = 23319669667
BaseRepresentation
bin11100001000110…
…011111101001000
31012220021202001110
4130020303331020
51431322301013
6114502050320
714461355142
oct3410637510
91186252043
10472072008
11222521761
121121199a0
1376a57265
14469a5c92
152b69d2c3
hex1c233f48

472072008 has 16 divisors (see below), whose sum is σ = 1180180080. Its totient is φ = 157357328.

The previous prime is 472071983. The next prime is 472072049. The reversal of 472072008 is 800270274.

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, 9834810 + ... + 9834857.

It is an arithmetic number, because the mean of its divisors is an integer number (73761255).

Almost surely, 2472072008 is an apocalyptic number.

It is an amenable number.

472072008 is an abundant number, since it is smaller than the sum of its proper divisors (708108072).

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

472072008 is a wasteful number, since it uses less digits than its factorization.

472072008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19669676 (or 19669672 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 472072008 is about 21727.2181376264. The cubic root of 472072008 is about 778.6388753543.

The spelling of 472072008 in words is "four hundred seventy-two million, seventy-two thousand, eight".

Divisors: 1 2 3 4 6 8 12 24 19669667 39339334 59009001 78678668 118018002 157357336 236036004 472072008