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420480792 = 233219379811
BaseRepresentation
bin11001000100000…
…000011100011000
31002022012122012200
4121010000130120
51330120341132
6105420210200
713264012344
oct3104003430
91068178180
10420480792
111a6394496
12b8999960
1369162804
143dbb6624
1526dabd7c
hex19100718

420480792 has 96 divisors (see below), whose sum is σ = 1203384000. Its totient is φ = 132269760.

The previous prime is 420480761. The next prime is 420480817. The reversal of 420480792 is 297084024.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 518067 + ... + 518877.

It is an arithmetic number, because the mean of its divisors is an integer number (12535250).

Almost surely, 2420480792 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 420480792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601692000).

420480792 is an abundant number, since it is smaller than the sum of its proper divisors (782903208).

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

420480792 is a wasteful number, since it uses less digits than its factorization.

420480792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221 (or 1214 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 420480792 is about 20505.6283005423. The cubic root of 420480792 is about 749.1728908559.

The spelling of 420480792 in words is "four hundred twenty million, four hundred eighty thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 36 38 57 72 76 114 152 171 228 342 379 456 684 758 811 1137 1368 1516 1622 2274 2433 3032 3244 3411 4548 4866 6488 6822 7201 7299 9096 9732 13644 14402 14598 15409 19464 21603 27288 28804 29196 30818 43206 46227 57608 58392 61636 64809 86412 92454 123272 129618 138681 172824 184908 259236 277362 307369 369816 518472 554724 614738 922107 1109448 1229476 1844214 2458952 2766321 3688428 5532642 5840011 7376856 11065284 11680022 17520033 22130568 23360044 35040066 46720088 52560099 70080132 105120198 140160264 210240396 420480792