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105537107 = 138118239
BaseRepresentation
bin1100100101001…
…01111001010011
321100120211200202
412102211321103
5204004141412
614250005415
72421023234
oct622457123
9240524622
10105537107
1154633655
122b41686b
1318b31bc0
141003308b
1593ea3c2
hex64a5e53

105537107 has 4 divisors (see below), whose sum is σ = 113655360. Its totient is φ = 97418856.

The previous prime is 105537101. The next prime is 105537109. The reversal of 105537107 is 701735501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 701735501 = 1949360049.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105537107 is a prime.

It is a super-2 number, since 2×1055371072 = 22276161907858898, 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 105537107.

It is not an unprimeable number, because it can be changed into a prime (105537101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4059107 + ... + 4059132.

It is an arithmetic number, because the mean of its divisors is an integer number (28413840).

Almost surely, 2105537107 is an apocalyptic number.

105537107 is a deficient number, since it is larger than the sum of its proper divisors (8118253).

105537107 is an equidigital number, since it uses as much as digits as its factorization.

105537107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8118252.

The product of its (nonzero) digits is 3675, while the sum is 29.

The square root of 105537107 is about 10273.1254737787. The cubic root of 105537107 is about 472.5724450569.

The spelling of 105537107 in words is "one hundred five million, five hundred thirty-seven thousand, one hundred seven".

Divisors: 1 13 8118239 105537107