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2507493 = 3835831
BaseRepresentation
bin1001100100001011100101
311201101122010
421210023211
51120214433
6125424433
730212322
oct11441345
94641563
102507493
111462a0a
12a0b119
1369a431
14493b49
15347e63
hex2642e5

2507493 has 4 divisors (see below), whose sum is σ = 3343328. Its totient is φ = 1671660.

The previous prime is 2507489. The next prime is 2507567. The reversal of 2507493 is 3947052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2507493 - 22 = 2507489 is a prime.

It is a super-2 number, since 2×25074932 = 12575042290098, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

2507493 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2507493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2507413) 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, 417913 + ... + 417918.

It is an arithmetic number, because the mean of its divisors is an integer number (835832).

22507493 is an apocalyptic number.

It is an amenable number.

2507493 is a deficient number, since it is larger than the sum of its proper divisors (835835).

2507493 is an equidigital number, since it uses as much as digits as its factorization.

2507493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835834.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 2507493 is about 1583.5065519283. The cubic root of 2507493 is about 135.8563397952.

The spelling of 2507493 in words is "two million, five hundred seven thousand, four hundred ninety-three".

Divisors: 1 3 835831 2507493