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105700920 = 23351367757
BaseRepresentation
bin1100100110011…
…01111000111000
321100220011101220
412103031320320
5204024412140
614253312040
72422304643
oct623157070
9240804356
10105700920
1154735736
122b495620
1318b8b630
1410076a5a
15942dbd0
hex64cde38

105700920 has 64 divisors (see below), whose sum is σ = 341500320. Its totient is φ = 26018304.

The previous prime is 105700879. The next prime is 105700949. The reversal of 105700920 is 29007501.

It is a super-2 number, since 2×1057009202 = 22345368977692800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32319 + ... + 35438.

Almost surely, 2105700920 is an apocalyptic number.

105700920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105700920 is an abundant number, since it is smaller than the sum of its proper divisors (235799400).

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

105700920 is a wasteful number, since it uses less digits than its factorization.

105700920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67784 (or 67780 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 105700920 is about 10281.0952723919. The cubic root of 105700920 is about 472.8168251089.

The spelling of 105700920 in words is "one hundred five million, seven hundred thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1560 67757 135514 203271 271028 338785 406542 542056 677570 813084 880841 1016355 1355140 1626168 1761682 2032710 2642523 2710280 3523364 4065420 4404205 5285046 7046728 8130840 8808410 10570092 13212615 17616820 21140184 26425230 35233640 52850460 105700920