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2631268 = 225571181
BaseRepresentation
bin1010000010011001100100
311221200102101
422002121210
51133200033
6132221444
731236223
oct12023144
94850371
102631268
111537a02
12a6a884
13711883
144c6cba
1536e97d
hex282664

2631268 has 12 divisors (see below), whose sum is σ = 4616892. Its totient is φ = 1312160.

The previous prime is 2631263. The next prime is 2631271. The reversal of 2631268 is 8621362.

It can be written as a sum of positive squares in 2 ways, for example, as 1327104 + 1304164 = 1152^2 + 1142^2 .

It is a d-powerful number, because it can be written as 219 + 64 + 35 + 1 + 221 + 65 + 83 .

It is not an unprimeable number, because it can be changed into a prime (2631263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1638 + ... + 2818.

It is an arithmetic number, because the mean of its divisors is an integer number (384741).

22631268 is an apocalyptic number.

It is an amenable number.

2631268 is a deficient number, since it is larger than the sum of its proper divisors (1985624).

2631268 is a wasteful number, since it uses less digits than its factorization.

2631268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742 (or 1740 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 2631268 is about 1622.1183680607. The cubic root of 2631268 is about 138.0559179675.

The spelling of 2631268 in words is "two million, six hundred thirty-one thousand, two hundred sixty-eight".

Divisors: 1 2 4 557 1114 1181 2228 2362 4724 657817 1315634 2631268