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472287838 = 21121467629
BaseRepresentation
bin11100001001101…
…000101001011110
31012220200201010011
4130021220221132
51431401202323
6114510433434
714463244321
oct3411505136
91186621104
10472287838
11222659930
1211220287a
1376b01579
1446a207b8
152b6e220d
hex1c268a5e

472287838 has 8 divisors (see below), whose sum is σ = 772834680. Its totient is φ = 214676280.

The previous prime is 472287797. The next prime is 472287847. The reversal of 472287838 is 838782274.

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

It is a junction number, because it is equal to n+sod(n) for n = 472287791 and 472287800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10733793 + ... + 10733836.

It is an arithmetic number, because the mean of its divisors is an integer number (96604335).

Almost surely, 2472287838 is an apocalyptic number.

472287838 is a deficient number, since it is larger than the sum of its proper divisors (300546842).

472287838 is a wasteful number, since it uses less digits than its factorization.

472287838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21467642.

The product of its digits is 1204224, while the sum is 49.

The square root of 472287838 is about 21732.1843816953. The cubic root of 472287838 is about 778.7575211123.

The spelling of 472287838 in words is "four hundred seventy-two million, two hundred eighty-seven thousand, eight hundred thirty-eight".

Divisors: 1 2 11 22 21467629 42935258 236143919 472287838