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2472845 = 52321503
BaseRepresentation
bin1001011011101110001101
311122122002212
421123232031
51113112340
6125000205
730006314
oct11335615
94578085
102472845
111439981
129b3065
1368772b
1448527b
1533ca65
hex25bb8d

2472845 has 8 divisors (see below), whose sum is σ = 3096576. Its totient is φ = 1892176.

The previous prime is 2472823. The next prime is 2472851. The reversal of 2472845 is 5482742.

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 2472845 - 26 = 2472781 is a prime.

It is a super-2 number, since 2×24728452 = 12229924788050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10637 + ... + 10866.

It is an arithmetic number, because the mean of its divisors is an integer number (387072).

22472845 is an apocalyptic number.

It is an amenable number.

2472845 is a deficient number, since it is larger than the sum of its proper divisors (623731).

2472845 is a wasteful number, since it uses less digits than its factorization.

2472845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21531.

The product of its digits is 17920, while the sum is 32.

The square root of 2472845 is about 1572.5282191427. The cubic root of 2472845 is about 135.2276907499.

The spelling of 2472845 in words is "two million, four hundred seventy-two thousand, eight hundred forty-five".

Divisors: 1 5 23 115 21503 107515 494569 2472845