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472025069 = 11319332161
BaseRepresentation
bin11100001000101…
…000011111101101
31012220012100122222
4130020220133231
51431314300234
6114501045125
714461101245
oct3410503755
91186170588
10472025069
1122249a46a
121120b67a5
1376a3ba99
1446992b25
152b68e42e
hex1c2287ed

472025069 has 8 divisors (see below), whose sum is σ = 476669112. Its totient is φ = 467389440.

The previous prime is 472025063. The next prime is 472025093. The reversal of 472025069 is 960520274.

It can be written as a sum of positive squares in 4 ways, for example, as 23136100 + 448888969 = 4810^2 + 21187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 472025069 - 216 = 471959533 is a prime.

It is a super-2 number, since 2×4720250692 = 445615331528909522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472025063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217349 + ... + 219509.

It is an arithmetic number, because the mean of its divisors is an integer number (59583639).

Almost surely, 2472025069 is an apocalyptic number.

It is an amenable number.

472025069 is a deficient number, since it is larger than the sum of its proper divisors (4644043).

472025069 is a wasteful number, since it uses less digits than its factorization.

472025069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 472025069 is about 21726.1379218673. The cubic root of 472025069 is about 778.6130673271.

The spelling of 472025069 in words is "four hundred seventy-two million, twenty-five thousand, sixty-nine".

Divisors: 1 113 1933 2161 218429 244193 4177213 472025069