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2492506 = 21773309
BaseRepresentation
bin1001100000100001011010
311200122002001
421200201122
51114230011
6125231214
730120532
oct11404132
94618061
102492506
111452725
12a0250a
13693673
1448c4c2
153437c1
hex26085a

2492506 has 8 divisors (see below), whose sum is σ = 3958740. Its totient is φ = 1172928.

The previous prime is 2492461. The next prime is 2492509. The reversal of 2492506 is 6052942.

It can be written as a sum of positive squares in 2 ways, for example, as 2480625 + 11881 = 1575^2 + 109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 25 + 4 + 96 + 27 + 59 + 0 + 65 .

It is not an unprimeable number, because it can be changed into a prime (2492509) 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, 36621 + ... + 36688.

22492506 is an apocalyptic number.

2492506 is the 999-th centered pentagonal number.

2492506 is a deficient number, since it is larger than the sum of its proper divisors (1466234).

2492506 is a wasteful number, since it uses less digits than its factorization.

2492506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73328.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2492506 is about 1578.7672406026. The cubic root of 2492506 is about 135.5851327957.

The spelling of 2492506 in words is "two million, four hundred ninety-two thousand, five hundred six".

Divisors: 1 2 17 34 73309 146618 1246253 2492506