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2139176 = 231367307
BaseRepresentation
bin1000001010010000101000
311000200101202
420022100220
51021423201
6113503332
724116444
oct10122050
94020352
102139176
111231216
12871b48
1359b8b0
143d9824
152c3c6b
hex20a428

2139176 has 32 divisors (see below), whose sum is σ = 4398240. Its totient is φ = 969408.

The previous prime is 2139167. The next prime is 2139199. The reversal of 2139176 is 6719312.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 6815 + ... + 7121.

It is an arithmetic number, because the mean of its divisors is an integer number (137445).

22139176 is an apocalyptic number.

2139176 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2139176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2199120).

2139176 is an abundant number, since it is smaller than the sum of its proper divisors (2259064).

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

2139176 is a wasteful number, since it uses less digits than its factorization.

2139176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 389 counting only the distinct ones).

The product of its digits is 2268, while the sum is 29.

The square root of 2139176 is about 1462.5922193147. The cubic root of 2139176 is about 128.8493323364.

The spelling of 2139176 in words is "two million, one hundred thirty-nine thousand, one hundred seventy-six".

Divisors: 1 2 4 8 13 26 52 67 104 134 268 307 536 614 871 1228 1742 2456 3484 3991 6968 7982 15964 20569 31928 41138 82276 164552 267397 534794 1069588 2139176