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2475031 = 13190387
BaseRepresentation
bin1001011100010000010111
311122202002211
421130100113
51113200111
6125014251
730015556
oct11342027
94582084
102475031
111440589
129b4387
13688720
14485d9d
1533d521
hex25c417

2475031 has 4 divisors (see below), whose sum is σ = 2665432. Its totient is φ = 2284632.

The previous prime is 2475029. The next prime is 2475061. The reversal of 2475031 is 1305742.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1305742 = 2652871.

It is a cyclic number.

It is not a de Polignac number, because 2475031 - 21 = 2475029 is a prime.

It is a super-2 number, since 2×24750312 = 12251556901922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2474993 and 2475011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2475061) 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, 95181 + ... + 95206.

It is an arithmetic number, because the mean of its divisors is an integer number (666358).

22475031 is an apocalyptic number.

2475031 is a deficient number, since it is larger than the sum of its proper divisors (190401).

2475031 is a wasteful number, since it uses less digits than its factorization.

2475031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190400.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2475031 is about 1573.2231246711. The cubic root of 2475031 is about 135.2675261984.

The spelling of 2475031 in words is "two million, four hundred seventy-five thousand, thirty-one".

Divisors: 1 13 190387 2475031