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472899428 = 22118224857
BaseRepresentation
bin11100001011111…
…101111101100100
31012221211210001122
4130023331331210
51432030240203
6114531513112
714501402351
oct3413757544
91187753048
10472899428
11222a37381
12112458798
1376c86a61
1446b3d628
152b7b3538
hex1c2fdf64

472899428 has 6 divisors (see below), whose sum is σ = 827574006. Its totient is φ = 236449712.

The previous prime is 472899419. The next prime is 472899431. The reversal of 472899428 is 824998274.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 420742144 + 52157284 = 20512^2 + 7222^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 472899428.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59112425 + ... + 59112432.

It is an arithmetic number, because the mean of its divisors is an integer number (137929001).

Almost surely, 2472899428 is an apocalyptic number.

It is an amenable number.

472899428 is a deficient number, since it is larger than the sum of its proper divisors (354674578).

472899428 is a wasteful number, since it uses less digits than its factorization.

472899428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118224861 (or 118224859 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 53.

The square root of 472899428 is about 21746.2508952693. The cubic root of 472899428 is about 779.0935272757.

The spelling of 472899428 in words is "four hundred seventy-two million, eight hundred ninety-nine thousand, four hundred twenty-eight".

Divisors: 1 2 4 118224857 236449714 472899428