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105145102 = 2173092503
BaseRepresentation
bin1100100010001…
…10001100001110
321022211220222001
412101012030032
5203404120402
614233342514
72414501326
oct621061416
9238756861
10105145102
1154396087
122b267a3a
1318a2564a
14dd70286
15936e187
hex644630e

105145102 has 8 divisors (see below), whose sum is σ = 166995216. Its totient is φ = 49480032.

The previous prime is 105145099. The next prime is 105145123. The reversal of 105145102 is 201541501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1051451022 = 22110984949180808, 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 105145102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1546218 + ... + 1546285.

It is an arithmetic number, because the mean of its divisors is an integer number (20874402).

Almost surely, 2105145102 is an apocalyptic number.

105145102 is a deficient number, since it is larger than the sum of its proper divisors (61850114).

105145102 is a wasteful number, since it uses less digits than its factorization.

105145102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3092522.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 105145102 is about 10254.0285741751. The cubic root of 105145102 is about 471.9866144581.

Adding to 105145102 its reverse (201541501), we get a palindrome (306686603).

The spelling of 105145102 in words is "one hundred five million, one hundred forty-five thousand, one hundred two".

Divisors: 1 2 17 34 3092503 6185006 52572551 105145102