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2690272 = 251329223
BaseRepresentation
bin1010010000110011100000
312001200100201
422100303200
51142042042
6133354544
731603234
oct12206340
95050321
102690272
111578272
12a98a54
137326a0
145005c4
153821b7
hex290ce0

2690272 has 48 divisors (see below), whose sum is σ = 5927040. Its totient is φ = 1193472.

The previous prime is 2690263. The next prime is 2690293. The reversal of 2690272 is 2720962.

It is a self number, because there is not a number n which added to its sum of digits gives 2690272.

It is a congruent number.

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, 11953 + ... + 12175.

It is an arithmetic number, because the mean of its divisors is an integer number (123480).

22690272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2690272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2963520).

2690272 is an abundant number, since it is smaller than the sum of its proper divisors (3236768).

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

2690272 is a wasteful number, since it uses less digits than its factorization.

2690272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2690272 is about 1640.2048652531. The cubic root of 2690272 is about 139.0802290320.

The spelling of 2690272 in words is "two million, six hundred ninety thousand, two hundred seventy-two".

Divisors: 1 2 4 8 13 16 26 29 32 52 58 104 116 208 223 232 377 416 446 464 754 892 928 1508 1784 2899 3016 3568 5798 6032 6467 7136 11596 12064 12934 23192 25868 46384 51736 84071 92768 103472 168142 206944 336284 672568 1345136 2690272