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8471972 = 223076899
BaseRepresentation
bin100000010100…
…010110100100
3120221102100202
4200110112210
54132100342
6501330032
7132003425
oct40242644
916842322
108471972
114867133
122a06918
1319a8202
1411a764c
15b25332
hex8145a4

8471972 has 12 divisors (see below), whose sum is σ = 14876400. Its totient is φ = 4221576.

The previous prime is 8471963. The next prime is 8472007. The reversal of 8471972 is 2791748.

8471972 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 2222 + ... + 4677.

It is an arithmetic number, because the mean of its divisors is an integer number (1239700).

Almost surely, 28471972 is an apocalyptic number.

It is an amenable number.

8471972 is a deficient number, since it is larger than the sum of its proper divisors (6404428).

8471972 is a wasteful number, since it uses less digits than its factorization.

8471972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7210 (or 7208 counting only the distinct ones).

The product of its digits is 28224, while the sum is 38.

The square root of 8471972 is about 2910.6652160632. The cubic root of 8471972 is about 203.8581931311.

The spelling of 8471972 in words is "eight million, four hundred seventy-one thousand, nine hundred seventy-two".

Divisors: 1 2 4 307 614 1228 6899 13798 27596 2117993 4235986 8471972