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2106854 = 23771401
BaseRepresentation
bin1000000010010111100110
310222001001122
420002113212
51014404404
6113053542
723623301
oct10022746
93861048
102106854
111209a02
128572b2
13589c79
143cbb38
152b93be
hex2025e6

2106854 has 16 divisors (see below), whose sum is σ = 3299616. Its totient is φ = 1008000.

The previous prime is 2106847. The next prime is 2106857. The reversal of 2106854 is 4586012.

2106854 = T20 + T21 + ... + T232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106857) 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, 5054 + ... + 5454.

It is an arithmetic number, because the mean of its divisors is an integer number (206226).

22106854 is an apocalyptic number.

2106854 is a deficient number, since it is larger than the sum of its proper divisors (1192762).

2106854 is a wasteful number, since it uses less digits than its factorization.

2106854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2106854 is about 1451.5006028245. The cubic root of 2106854 is about 128.1970840854.

The spelling of 2106854 in words is "two million, one hundred six thousand, eight hundred fifty-four".

Divisors: 1 2 37 71 74 142 401 802 2627 5254 14837 28471 29674 56942 1053427 2106854