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2913690 = 2351331241
BaseRepresentation
bin1011000111010110011010
312111000211110
423013112122
51221214230
6142241150
733523503
oct13072632
95430743
102913690
11171010a
12b861b6
137b02a0
1455bbaa
153c84b0
hex2c759a

2913690 has 64 divisors (see below), whose sum is σ = 7805952. Its totient is φ = 691200.

The previous prime is 2913641. The next prime is 2913697. The reversal of 2913690 is 963192.

It is a super-2 number, since 2×29136902 = 16979178832200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (2913697) 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, 11970 + ... + 12210.

It is an arithmetic number, because the mean of its divisors is an integer number (121968).

22913690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2913690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3902976).

2913690 is an abundant number, since it is smaller than the sum of its proper divisors (4892262).

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

2913690 is a wasteful number, since it uses less digits than its factorization.

2913690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 2913690 is about 1706.9534264297. The cubic root of 2913690 is about 142.8283594391.

The spelling of 2913690 in words is "two million, nine hundred thirteen thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 31 39 62 65 78 93 130 155 186 195 241 310 390 403 465 482 723 806 930 1205 1209 1446 2015 2410 2418 3133 3615 4030 6045 6266 7230 7471 9399 12090 14942 15665 18798 22413 31330 37355 44826 46995 74710 93990 97123 112065 194246 224130 291369 485615 582738 971230 1456845 2913690