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2690634 = 23736143
BaseRepresentation
bin1010010000111001001010
312001200212010
422100321022
51142100014
6133400350
731604262
oct12207112
95050763
102690634
111578571
12a990b6
137328bb
145007a2
15382359
hex290e4a

2690634 has 16 divisors (see below), whose sum is σ = 5455872. Its totient is φ = 884448.

The previous prime is 2690629. The next prime is 2690657. The reversal of 2690634 is 4360962.

It is a super-2 number, since 2×26906342 = 14479022643912, which contains 22 as substring.

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, 2634 + ... + 3509.

It is an arithmetic number, because the mean of its divisors is an integer number (340992).

22690634 is an apocalyptic number.

2690634 is an abundant number, since it is smaller than the sum of its proper divisors (2765238).

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

2690634 is a wasteful number, since it uses less digits than its factorization.

2690634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6221.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 2690634 is about 1640.3152136099. The cubic root of 2690634 is about 139.0864669124.

The spelling of 2690634 in words is "two million, six hundred ninety thousand, six hundred thirty-four".

Divisors: 1 2 3 6 73 146 219 438 6143 12286 18429 36858 448439 896878 1345317 2690634