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920429328 = 243721330103
BaseRepresentation
bin110110110111001…
…010001100010000
32101010221122200010
4312313022030100
53341112214303
6231155554520
731544343300
oct6667121420
92333848603
10920429328
114326161a5
122182bba40
131188ca350
148a357600
1555c14c03
hex36dca310

920429328 has 120 divisors (see below), whose sum is σ = 2978851008. Its totient is φ = 242742528.

The previous prime is 920429297. The next prime is 920429357. The reversal of 920429328 is 823924029.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 15525 + ... + 45627.

Almost surely, 2920429328 is an apocalyptic number.

920429328 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 920429328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1489425504).

920429328 is an abundant number, since it is smaller than the sum of its proper divisors (2058421680).

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

920429328 is a wasteful number, since it uses less digits than its factorization.

920429328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30141 (or 30128 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 920429328 is about 30338.5782132255. The cubic root of 920429328 is about 972.7400924071.

The spelling of 920429328 in words is "nine hundred twenty million, four hundred twenty-nine thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 49 52 56 78 84 91 98 104 112 147 156 168 182 196 208 273 294 312 336 364 392 546 588 624 637 728 784 1092 1176 1274 1456 1911 2184 2352 2548 3822 4368 5096 7644 10192 15288 30103 30576 60206 90309 120412 180618 210721 240824 361236 391339 421442 481648 632163 722472 782678 842884 1174017 1264326 1444944 1475047 1565356 1685768 2348034 2528652 2739373 2950094 3130712 3371536 4425141 4696068 5057304 5478746 5900188 6261424 8218119 8850282 9392136 10114608 10957492 11800376 16436238 17700564 18784272 19175611 21914984 23600752 32872476 35401128 38351222 43829968 57526833 65744952 70802256 76702444 115053666 131489904 153404888 230107332 306809776 460214664 920429328