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472342836 = 223729712731
BaseRepresentation
bin11100001001110…
…110000100110100
31012220210111120010
4130021312010310
51431404432321
6114511540220
714463563550
oct3411660464
91186714503
10472342836
11222697189
1211222a670
1376b20604
1446a36860
152b703676
hex1c276134

472342836 has 96 divisors (see below), whose sum is σ = 1321850880. Its totient is φ = 128419200.

The previous prime is 472342823. The next prime is 472342853. The reversal of 472342836 is 638243274.

It is a junction number, because it is equal to n+sod(n) for n = 472342794 and 472342803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171591 + ... + 174321.

It is an arithmetic number, because the mean of its divisors is an integer number (13769280).

Almost surely, 2472342836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 472342836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660925440).

472342836 is an abundant number, since it is smaller than the sum of its proper divisors (849508044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

472342836 is a wasteful number, since it uses less digits than its factorization.

472342836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845 (or 2843 counting only the distinct ones).

The product of its digits is 193536, while the sum is 39.

The square root of 472342836 is about 21733.4497031649. The cubic root of 472342836 is about 778.7877487548.

The spelling of 472342836 in words is "four hundred seventy-two million, three hundred forty-two thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 29 42 58 71 84 87 116 142 174 203 213 284 348 406 426 497 609 812 852 994 1218 1491 1988 2059 2436 2731 2982 4118 5462 5964 6177 8193 8236 10924 12354 14413 16386 19117 24708 28826 32772 38234 43239 57351 57652 76468 79199 86478 114702 158398 172956 193901 229404 237597 316796 387802 475194 554393 581703 775604 950388 1108786 1163406 1357307 1663179 2217572 2326812 2714614 3326358 4071921 5429228 5623129 6652716 8143842 11246258 16287684 16869387 22492516 33738774 39361903 67477548 78723806 118085709 157447612 236171418 472342836