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2140880 = 24573823
BaseRepresentation
bin1000001010101011010000
311000202201212
420022223100
51022002010
6113515252
724124430
oct10125320
94022655
102140880
111232525
12872b28
1359c5c1
143da2c0
152c4505
hex20aad0

2140880 has 40 divisors (see below), whose sum is σ = 5690112. Its totient is φ = 733824.

The previous prime is 2140877. The next prime is 2140903. The reversal of 2140880 is 880412.

It is a tau number, because it is divible by the number of its divisors (40).

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, 1352 + ... + 2471.

22140880 is an apocalyptic number.

2140880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140880 is an abundant number, since it is smaller than the sum of its proper divisors (3549232).

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

2140880 is a wasteful number, since it uses less digits than its factorization.

2140880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3843 (or 3837 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 2140880 is about 1463.1746307259. The cubic root of 2140880 is about 128.8835356917.

The spelling of 2140880 in words is "two million, one hundred forty thousand, eight hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 3823 7646 15292 19115 26761 30584 38230 53522 61168 76460 107044 133805 152920 214088 267610 305840 428176 535220 1070440 2140880