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2111394 = 231918521
BaseRepresentation
bin1000000011011110100010
310222021021210
420003132202
51020031034
6113130550
723642445
oct10033642
93867253
102111394
11121235a
12859a56
1358c05c
143cd65c
152ba8e9
hex2037a2

2111394 has 16 divisors (see below), whose sum is σ = 4445280. Its totient is φ = 666720.

The previous prime is 2111387. The next prime is 2111407. The reversal of 2111394 is 4931112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111394.

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, 9147 + ... + 9374.

It is an arithmetic number, because the mean of its divisors is an integer number (277830).

22111394 is an apocalyptic number.

2111394 is an abundant number, since it is smaller than the sum of its proper divisors (2333886).

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

2111394 is a wasteful number, since it uses less digits than its factorization.

2111394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18545.

The product of its digits is 216, while the sum is 21.

The square root of 2111394 is about 1453.0636599957. The cubic root of 2111394 is about 128.2891007772.

The spelling of 2111394 in words is "two million, one hundred eleven thousand, three hundred ninety-four".

Divisors: 1 2 3 6 19 38 57 114 18521 37042 55563 111126 351899 703798 1055697 2111394