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2492145 = 32555381
BaseRepresentation
bin1001100000011011110001
311200121120200
421200123301
51114222040
6125225413
730116505
oct11403361
94617520
102492145
111452427
12a02269
13693456
1448c305
15343630
hex2606f1

2492145 has 12 divisors (see below), whose sum is σ = 4319796. Its totient is φ = 1329120.

The previous prime is 2492143. The next prime is 2492153. The reversal of 2492145 is 5412942.

It can be written as a sum of positive squares in 2 ways, for example, as 1766241 + 725904 = 1329^2 + 852^2 .

It is not a de Polignac number, because 2492145 - 21 = 2492143 is a prime.

2492145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2492143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27646 + ... + 27735.

It is an arithmetic number, because the mean of its divisors is an integer number (359983).

22492145 is an apocalyptic number.

It is an amenable number.

2492145 is a deficient number, since it is larger than the sum of its proper divisors (1827651).

2492145 is a wasteful number, since it uses less digits than its factorization.

2492145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55392 (or 55389 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2492145 is about 1578.6529067531. The cubic root of 2492145 is about 135.5785866936.

The spelling of 2492145 in words is "two million, four hundred ninety-two thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 45 55381 166143 276905 498429 830715 2492145