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2925431 = 25711383
BaseRepresentation
bin1011001010001101110111
312111121221022
423022031313
51222103211
6142411355
733602645
oct13121567
95447838
102925431
111718a13
12b90b5b
137b5732
14562195
153cbbdb
hex2ca377

2925431 has 4 divisors (see below), whose sum is σ = 2937072. Its totient is φ = 2913792.

The previous prime is 2925427. The next prime is 2925437. The reversal of 2925431 is 1345292.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2925431 - 22 = 2925427 is a prime.

It is a super-2 number, since 2×29254312 = 17116293071522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2925431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2925437) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5435 + ... + 5948.

It is an arithmetic number, because the mean of its divisors is an integer number (734268).

22925431 is an apocalyptic number.

2925431 is a deficient number, since it is larger than the sum of its proper divisors (11641).

2925431 is a wasteful number, since it uses less digits than its factorization.

2925431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11640.

The product of its digits is 2160, while the sum is 26.

The square root of 2925431 is about 1710.3891370095. The cubic root of 2925431 is about 143.0199492927.

The spelling of 2925431 in words is "two million, nine hundred twenty-five thousand, four hundred thirty-one".

Divisors: 1 257 11383 2925431