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106660254 = 23137129757
BaseRepresentation
bin1100101101110…
…00000110011110
321102200220100210
412112320012132
5204301112004
614330033250
72433411561
oct626700636
9242626323
10106660254
1155230478
122b878826
131913619c
14102464d8
15956d089
hex65b819e

106660254 has 16 divisors (see below), whose sum is σ = 214879248. Its totient is φ = 35293632.

The previous prime is 106660217. The next prime is 106660271. The reversal of 106660254 is 452066601.

It is a super-2 number, since 2×1066602542 = 22752819566689032, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 64057 + ... + 65700.

It is an arithmetic number, because the mean of its divisors is an integer number (13429953).

Almost surely, 2106660254 is an apocalyptic number.

106660254 is an abundant number, since it is smaller than the sum of its proper divisors (108218994).

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

106660254 is a wasteful number, since it uses less digits than its factorization.

106660254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129899.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 106660254 is about 10327.6451333303. The cubic root of 106660254 is about 474.2429365869.

The spelling of 106660254 in words is "one hundred six million, six hundred sixty thousand, two hundred fifty-four".

Divisors: 1 2 3 6 137 274 411 822 129757 259514 389271 778542 17776709 35553418 53330127 106660254