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472250247 = 3726898363
BaseRepresentation
bin11100001001011…
…111011110000111
31012220121210112220
4130021133132013
51431344001442
6114505543423
714463026610
oct3411373607
91186553486
10472250247
11222633667
121121a4b73
1376aba421
1446a10c07
152b6d5eec
hex1c25f787

472250247 has 16 divisors (see below), whose sum is σ = 719973120. Its totient is φ = 269724672.

The previous prime is 472250221. The next prime is 472250257. The reversal of 472250247 is 742052274.

It is a happy number.

It is not a de Polignac number, because 472250247 - 28 = 472249991 is a prime.

It is a super-2 number, since 2×4722502472 = 446040591583122018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472250257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52288 + ... + 60650.

It is an arithmetic number, because the mean of its divisors is an integer number (44998320).

Almost surely, 2472250247 is an apocalyptic number.

472250247 is a deficient number, since it is larger than the sum of its proper divisors (247722873).

472250247 is a wasteful number, since it uses less digits than its factorization.

472250247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11062.

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 472250247 is about 21731.3194951434. The cubic root of 472250247 is about 778.7368592417.

The spelling of 472250247 in words is "four hundred seventy-two million, two hundred fifty thousand, two hundred forty-seven".

Divisors: 1 3 7 21 2689 8067 8363 18823 25089 56469 58541 175623 22488107 67464321 157416749 472250247