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2634490 = 251715497
BaseRepresentation
bin1010000011001011111010
311221211211201
422003023322
51133300430
6132244414
731251505
oct12031372
94854751
102634490
11153a371
12a7070a
13713191
144c813c
153708ca
hex2832fa

2634490 has 16 divisors (see below), whose sum is σ = 5021352. Its totient is φ = 991744.

The previous prime is 2634487. The next prime is 2634493. The reversal of 2634490 is 944362.

2634490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2634487) and next prime (2634493).

It can be written as a sum of positive squares in 4 ways, for example, as 2634129 + 361 = 1623^2 + 19^2 .

It is a super-4 number, since 4×26344904 (a number of 27 digits) contains 4444 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2634493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7579 + ... + 7918.

22634490 is an apocalyptic number.

2634490 is a deficient number, since it is larger than the sum of its proper divisors (2386862).

2634490 is a wasteful number, since it uses less digits than its factorization.

2634490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15521.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2634490 is about 1623.1112099915. Note that the first 3 decimals coincide. The cubic root of 2634490 is about 138.1122450224.

It can be divided in two parts, 263 and 4490, that added together give a triangular number (4753 = T97).

The spelling of 2634490 in words is "two million, six hundred thirty-four thousand, four hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 15497 30994 77485 154970 263449 526898 1317245 2634490