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102920796 = 2232111913679
BaseRepresentation
bin1100010001001…
…11001001011100
321011122220210100
412020213021130
5202321431141
614113541100
72356545426
oct610471134
9234586710
10102920796
1153106a10
122a574790
13184270a4
14d951816
1590800b6
hex622725c

102920796 has 72 divisors (see below), whose sum is σ = 298771200. Its totient is φ = 29544480.

The previous prime is 102920767. The next prime is 102920803. The reversal of 102920796 is 697029201.

102920796 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

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

102920796 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 102920796.

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, 685 + ... + 14363.

It is an arithmetic number, because the mean of its divisors is an integer number (4149600).

Almost surely, 2102920796 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 102920796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149385600).

102920796 is an abundant number, since it is smaller than the sum of its proper divisors (195850404).

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

102920796 is a wasteful number, since it uses less digits than its factorization.

102920796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13719 (or 13714 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 102920796 is about 10144.9887136458. The cubic root of 102920796 is about 468.6346310210.

Adding to 102920796 its reverse (697029201), we get a palindrome (799949997).

The spelling of 102920796 in words is "one hundred two million, nine hundred twenty thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 9 11 12 18 19 22 33 36 38 44 57 66 76 99 114 132 171 198 209 228 342 396 418 627 684 836 1254 1881 2508 3762 7524 13679 27358 41037 54716 82074 123111 150469 164148 246222 259901 300938 451407 492444 519802 601876 779703 902814 1039604 1354221 1559406 1805628 2339109 2708442 2858911 3118812 4678218 5416884 5717822 8576733 9356436 11435644 17153466 25730199 34306932 51460398 102920796