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84920120 = 23519293853
BaseRepresentation
bin1010000111111…
…00011100111000
312220210101111122
411003330130320
5133214420440
612232044412
72050544345
oct503743470
9186711448
1084920120
1143a3181a
1224533708
13147939bc
14b3c77cc
1576c67b5
hex50fc738

84920120 has 64 divisors (see below), whose sum is σ = 208116000. Its totient is φ = 31062528.

The previous prime is 84920119. The next prime is 84920123. The reversal of 84920120 is 2102948.

It is a super-2 number, since 2×849201202 = 14422853561628800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84920120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84920123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20114 + ... + 23966.

Almost surely, 284920120 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 84920120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104058000).

84920120 is an abundant number, since it is smaller than the sum of its proper divisors (123195880).

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

84920120 is a wasteful number, since it uses less digits than its factorization.

84920120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912 (or 3908 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 84920120 is about 9215.2113377828. The cubic root of 84920120 is about 439.5451912030.

The spelling of 84920120 in words is "eighty-four million, nine hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 29 38 40 58 76 95 116 145 152 190 232 290 380 551 580 760 1102 1160 2204 2755 3853 4408 5510 7706 11020 15412 19265 22040 30824 38530 73207 77060 111737 146414 154120 223474 292828 366035 446948 558685 585656 732070 893896 1117370 1464140 2123003 2234740 2928280 4246006 4469480 8492012 10615015 16984024 21230030 42460060 84920120