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2105151 = 34316319
BaseRepresentation
bin1000000001111100111111
310221221201120
420001330333
51014331101
6113042023
723615316
oct10017477
93857646
102105151
1112086a4
12856313
13589269
143cb27d
152b8b36
hex201f3f

2105151 has 8 divisors (see below), whose sum is σ = 2872320. Its totient is φ = 1370712.

The previous prime is 2105149. The next prime is 2105183. The reversal of 2105151 is 1515012.

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

It is not a de Polignac number, because 2105151 - 21 = 2105149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2105151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8031 + ... + 8288.

It is an arithmetic number, because the mean of its divisors is an integer number (359040).

22105151 is an apocalyptic number.

2105151 is a deficient number, since it is larger than the sum of its proper divisors (767169).

2105151 is a wasteful number, since it uses less digits than its factorization.

2105151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16365.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 2105151 is about 1450.9138499580. The cubic root of 2105151 is about 128.1625336001.

The spelling of 2105151 in words is "two million, one hundred five thousand, one hundred fifty-one".

Divisors: 1 3 43 129 16319 48957 701717 2105151