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472469481 = 321131153949
BaseRepresentation
bin11100001010010…
…100111111101001
31012221000221021200
4130022110333221
51431423010411
6114514354413
714464632021
oct3412247751
91187027250
10472469481
11222773350
1211228ba09
1376b66153
1446a6aa81
152b72ae56
hex1c294fe9

472469481 has 24 divisors (see below), whose sum is σ = 768518400. Its totient is φ = 277106400.

The previous prime is 472469477. The next prime is 472469497. The reversal of 472469481 is 184964274.

It is not a de Polignac number, because 472469481 - 22 = 472469477 is a prime.

It is a super-2 number, since 2×4724694812 = 446454820952818722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (472469441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73906 + ... + 80043.

It is an arithmetic number, because the mean of its divisors is an integer number (32021600).

Almost surely, 2472469481 is an apocalyptic number.

It is an amenable number.

472469481 is a deficient number, since it is larger than the sum of its proper divisors (296048919).

472469481 is a wasteful number, since it uses less digits than its factorization.

472469481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153997 (or 153994 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 472469481 is about 21736.3631042546. The cubic root of 472469481 is about 778.8573456333.

The spelling of 472469481 in words is "four hundred seventy-two million, four hundred sixty-nine thousand, four hundred eighty-one".

Divisors: 1 3 9 11 31 33 93 99 279 341 1023 3069 153949 461847 1385541 1693439 4772419 5080317 14317257 15240951 42951771 52496609 157489827 472469481