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2054631 = 3701977
BaseRepresentation
bin111110101100111100111
310212101102110
413311213213
51011222011
6112012103
723315115
oct7654747
93771373
102054631
111183747
12831033
1356c277
143b6ab5
152a8ba6
hex1f59e7

2054631 has 8 divisors (see below), whose sum is σ = 2746224. Its totient is φ = 1366400.

The previous prime is 2054629. The next prime is 2054639. The reversal of 2054631 is 1364502.

It is a happy number.

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 2054631 - 21 = 2054629 is a prime.

It is a super-2 number, since 2×20546312 = 8443017092322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2054598 and 2054607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054639) 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, 1615 + ... + 2591.

It is an arithmetic number, because the mean of its divisors is an integer number (343278).

22054631 is an apocalyptic number.

2054631 is a deficient number, since it is larger than the sum of its proper divisors (691593).

2054631 is an equidigital number, since it uses as much as digits as its factorization.

2054631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2054631 is about 1433.3984093754. The cubic root of 2054631 is about 127.1289945268.

The spelling of 2054631 in words is "two million, fifty-four thousand, six hundred thirty-one".

Divisors: 1 3 701 977 2103 2931 684877 2054631