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472752245 = 5721929601
BaseRepresentation
bin11100001011011…
…010000001110101
31012221120022011102
4130023122001311
51432011032440
6114524415445
714500220300
oct3413320165
91187508142
10472752245
11222946839
121123a7585
1376c34a74
1446b01b37
152b784b15
hex1c2da075

472752245 has 12 divisors (see below), whose sum is σ = 659923884. Its totient is φ = 324172800.

The previous prime is 472752239. The next prime is 472752289. The reversal of 472752245 is 542257274.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 223143844 + 249608401 = 14938^2 + 15799^2 .

It is not a de Polignac number, because 472752245 - 28 = 472751989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 472752199 and 472752208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 964556 + ... + 965045.

It is an arithmetic number, because the mean of its divisors is an integer number (54993657).

Almost surely, 2472752245 is an apocalyptic number.

It is an amenable number.

472752245 is a deficient number, since it is larger than the sum of its proper divisors (187171639).

472752245 is a wasteful number, since it uses less digits than its factorization.

472752245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929620 (or 1929613 counting only the distinct ones).

The product of its digits is 156800, while the sum is 38.

The square root of 472752245 is about 21742.8665313477. The cubic root of 472752245 is about 779.0126917504.

The spelling of 472752245 in words is "four hundred seventy-two million, seven hundred fifty-two thousand, two hundred forty-five".

Divisors: 1 5 7 35 49 245 1929601 9648005 13507207 67536035 94550449 472752245