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2506493 = 111911193
BaseRepresentation
bin1001100011111011111101
311201100021002
421203323331
51120201433
6125420045
730206363
oct11437375
94640232
102506493
111462190
12a0a625
13699b42
14493633
153479e8
hex263efd

2506493 has 8 divisors (see below), whose sum is σ = 2750976. Its totient is φ = 2264800.

The previous prime is 2506489. The next prime is 2506501. The reversal of 2506493 is 3946052.

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

It is a cyclic number.

It is not a de Polignac number, because 2506493 - 22 = 2506489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1505 + ... + 2697.

It is an arithmetic number, because the mean of its divisors is an integer number (343872).

22506493 is an apocalyptic number.

It is an amenable number.

2506493 is a deficient number, since it is larger than the sum of its proper divisors (244483).

2506493 is a wasteful number, since it uses less digits than its factorization.

2506493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 2506493 is about 1583.1907655112. The cubic root of 2506493 is about 135.8382773448.

The spelling of 2506493 in words is "two million, five hundred six thousand, four hundred ninety-three".

Divisors: 1 11 191 1193 2101 13123 227863 2506493