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472224429 = 32294144129
BaseRepresentation
bin11100001001011…
…001001010101101
31012220120111010200
4130021121022231
51431342140204
6114505224113
714462561415
oct3411311255
91186514120
10472224429
11222616226
12112192039
1376aab751
1446a05645
152b6cd539
hex1c2592ad

472224429 has 24 divisors (see below), whose sum is σ = 722849400. Its totient is φ = 296540160.

The previous prime is 472224427. The next prime is 472224437. The reversal of 472224429 is 924422274.

472224429 is a `hidden beast` number, since 4 + 7 + 2 + 224 + 429 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 28068804 + 444155625 = 5298^2 + 21075^2 .

It is not a de Polignac number, because 472224429 - 21 = 472224427 is a prime.

It is a super-2 number, since 2×4722244292 = 445991822688752082, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 472224393 and 472224402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472224427) 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, 11364 + ... + 32765.

It is an arithmetic number, because the mean of its divisors is an integer number (30118725).

Almost surely, 2472224429 is an apocalyptic number.

It is an amenable number.

472224429 is a deficient number, since it is larger than the sum of its proper divisors (250624971).

472224429 is a wasteful number, since it uses less digits than its factorization.

472224429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44205 (or 44202 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 472224429 is about 21730.7254595883. The cubic root of 472224429 is about 778.7226677582.

The spelling of 472224429 in words is "four hundred seventy-two million, two hundred twenty-four thousand, four hundred twenty-nine".

Divisors: 1 3 9 29 41 87 123 261 369 1189 3567 10701 44129 132387 397161 1279741 1809289 3839223 5427867 11517669 16283601 52469381 157408143 472224429