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105664230 = 23357371511
BaseRepresentation
bin1100100110001…
…00111011100110
321100211022002000
412103010323212
5204022223410
614252430130
72422062660
oct623047346
9240738060
10105664230
1154710111
122b478346
1318b77a19
1410067530
159422dc0
hex64c4ee6

105664230 has 128 divisors (see below), whose sum is σ = 330946560. Its totient is φ = 23483520.

The previous prime is 105664211. The next prime is 105664241. The reversal of 105664230 is 32466501.

105664230 is a `hidden beast` number, since 10 + 5 + 6 + 642 + 3 + 0 = 666.

It is a super-2 number, since 2×1056642302 = 22329859002985800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 105664194 and 105664203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69175 + ... + 70685.

It is an arithmetic number, because the mean of its divisors is an integer number (2585520).

Almost surely, 2105664230 is an apocalyptic number.

105664230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 105664230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165473280).

105664230 is an abundant number, since it is smaller than the sum of its proper divisors (225282330).

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

105664230 is a wasteful number, since it uses less digits than its factorization.

105664230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571 (or 1565 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 105664230 is about 10279.3107745607. The cubic root of 105664230 is about 472.7621120661.

The spelling of 105664230 in words is "one hundred five million, six hundred sixty-four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 37 42 45 54 63 70 74 90 105 111 126 135 185 189 210 222 259 270 315 333 370 378 518 555 630 666 777 945 999 1110 1295 1511 1554 1665 1890 1998 2331 2590 3022 3330 3885 4533 4662 4995 6993 7555 7770 9066 9990 10577 11655 13599 13986 15110 21154 22665 23310 27198 31731 34965 40797 45330 52885 55907 63462 67995 69930 81594 95193 105770 111814 135990 158655 167721 190386 203985 279535 285579 317310 335442 391349 407970 475965 503163 559070 571158 782698 838605 951930 1006326 1174047 1427895 1509489 1677210 1956745 2348094 2515815 2855790 3018978 3522141 3913490 5031630 5870235 7044282 7547445 10566423 11740470 15094890 17610705 21132846 35221410 52832115 105664230