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105539070 = 23571367577
BaseRepresentation
bin1100100101001…
…10010111111110
321100120221101110
412102212113332
5204004222240
614250022450
72421032040
oct622462776
9240527343
10105539070
115463507a
122b417a26
1318b32a70
1410033a90
1593eac80
hex64a65fe

105539070 has 128 divisors (see below), whose sum is σ = 316947456. Its totient is φ = 21897216.

The previous prime is 105539069. The next prime is 105539081. The reversal of 105539070 is 70935501.

It is a happy number.

It is a super-2 number, since 2×1055390702 = 22276990592929800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

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, 182622 + ... + 183198.

It is an arithmetic number, because the mean of its divisors is an integer number (2476152).

Almost surely, 2105539070 is an apocalyptic number.

105539070 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 105539070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158473728).

105539070 is an abundant number, since it is smaller than the sum of its proper divisors (211408386).

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

105539070 is a wasteful number, since it uses less digits than its factorization.

105539070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674.

The product of its (nonzero) digits is 4725, while the sum is 30.

The square root of 105539070 is about 10273.2210138788. The cubic root of 105539070 is about 472.5753750025.

The spelling of 105539070 in words is "one hundred five million, five hundred thirty-nine thousand, seventy".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 67 70 78 91 105 130 134 182 195 201 210 273 335 390 402 455 469 546 577 670 871 910 938 1005 1154 1365 1407 1731 1742 2010 2345 2613 2730 2814 2885 3462 4039 4355 4690 5226 5770 6097 7035 7501 8078 8655 8710 12117 12194 13065 14070 15002 17310 18291 20195 22503 24234 26130 30485 36582 37505 38659 40390 45006 52507 60585 60970 75010 77318 91455 105014 112515 115977 121170 157521 182910 193295 225030 231954 262535 270613 315042 386590 502567 525070 541226 579885 787605 811839 1005134 1159770 1353065 1507701 1575210 1623678 2512835 2706130 3015402 3517969 4059195 5025670 7035938 7538505 8118390 10553907 15077010 17589845 21107814 35179690 52769535 105539070