Search a number
-
+
2690828 = 227175653
BaseRepresentation
bin1010010000111100001100
312001201010022
422100330030
51142101303
6133401312
731604660
oct12207414
95051108
102690828
111578728
12a99238
13732a0a
145008a0
15382438
hex290f0c

2690828 has 24 divisors (see below), whose sum is σ = 5699232. Its totient is φ = 1085184.

The previous prime is 2690827. The next prime is 2690851. The reversal of 2690828 is 8280962.

2690828 = 6172 + 6182 + ... + 6232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2690827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2351 + ... + 3302.

It is an arithmetic number, because the mean of its divisors is an integer number (237468).

22690828 is an apocalyptic number.

2690828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2690828 is an abundant number, since it is smaller than the sum of its proper divisors (3008404).

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

2690828 is a wasteful number, since it uses less digits than its factorization.

2690828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5681 (or 5679 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 2690828 is about 1640.3743475195. The cubic root of 2690828 is about 139.0898096346.

It can be divided in two parts, 26908 and 28, that multiplied together give a square (753424 = 8682).

The spelling of 2690828 in words is "two million, six hundred ninety thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 5653 11306 22612 39571 79142 96101 158284 192202 384404 672707 1345414 2690828