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920968620 = 22351113107339
BaseRepresentation
bin110110111001001…
…101110110101100
32101011222001102220
4312321031312230
53341231443440
6231215315340
731552050465
oct6671156654
92334861386
10920968620
114329543a0
1221851bb50
13118a58960
148a457d6c
1555cbe8d0
hex36e4ddac

920968620 has 96 divisors (see below), whose sum is σ = 3029564160. Its totient is φ = 206088960.

The previous prime is 920968597. The next prime is 920968621. The reversal of 920968620 is 26869029.

It is not an unprimeable number, because it can be changed into a prime (920968621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45090 + ... + 62249.

It is an arithmetic number, because the mean of its divisors is an integer number (31557960).

Almost surely, 2920968620 is an apocalyptic number.

It is an amenable number.

920968620 is an abundant number, since it is smaller than the sum of its proper divisors (2108595540).

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

920968620 is a wasteful number, since it uses less digits than its factorization.

920968620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107375 (or 107373 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 920968620 is about 30347.4648035054. The cubic root of 920968620 is about 972.9300358434.

The spelling of 920968620 in words is "nine hundred twenty million, nine hundred sixty-eight thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 13 15 20 22 26 30 33 39 44 52 55 60 65 66 78 110 130 132 143 156 165 195 220 260 286 330 390 429 572 660 715 780 858 1430 1716 2145 2860 4290 8580 107339 214678 322017 429356 536695 644034 1073390 1180729 1288068 1395407 1610085 2146780 2361458 2790814 3220170 3542187 4186221 4722916 5581628 5903645 6440340 6977035 7084374 8372442 11807290 13954070 14168748 15349477 16744884 17710935 20931105 23614580 27908140 30698954 35421870 41862210 46048431 61397908 70843740 76747385 83724420 92096862 153494770 184193724 230242155 306989540 460484310 920968620