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3140886 = 237175383
BaseRepresentation
bin1011111110110100010110
312220120111010
423332310112
51301002021
6151153050
735461050
oct13766426
95816433
103140886
111855881
121075786
1385c818
145ba8d0
15420976
hex2fed16

3140886 has 64 divisors (see below), whose sum is σ = 7838208. Its totient is φ = 818688.

The previous prime is 3140881. The next prime is 3140911. The reversal of 3140886 is 6880413.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37801 + ... + 37883.

It is an arithmetic number, because the mean of its divisors is an integer number (122472).

Almost surely, 23140886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3140886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3919104).

3140886 is an abundant number, since it is smaller than the sum of its proper divisors (4697322).

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

3140886 is a wasteful number, since it uses less digits than its factorization.

3140886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 3140886 is about 1772.2544963972. The cubic root of 3140886 is about 146.4482066754.

The spelling of 3140886 in words is "three million, one hundred forty thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 53 83 102 106 119 159 166 238 249 318 357 371 498 581 714 742 901 1113 1162 1411 1743 1802 2226 2703 2822 3486 4233 4399 5406 6307 8466 8798 9877 12614 13197 18921 19754 26394 29631 30793 37842 59262 61586 74783 92379 149566 184758 224349 448698 523481 1046962 1570443 3140886