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6904942 = 2111916519
BaseRepresentation
bin11010010101110001101110
3110222210210121
4122111301232
53231424232
6403555154
7112456012
oct32256156
913883717
106904942
113996870
12238baba
131579b85
14cba542
15915d97
hex695c6e

6904942 has 16 divisors (see below), whose sum is σ = 11894400. Its totient is φ = 2973240.

The previous prime is 6904927. The next prime is 6904943. The reversal of 6904942 is 2494096.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 6904898 and 6904907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6904943) 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 7 ways as a sum of consecutive naturals, for example, 7842 + ... + 8677.

It is an arithmetic number, because the mean of its divisors is an integer number (743400).

Almost surely, 26904942 is an apocalyptic number.

6904942 is a deficient number, since it is larger than the sum of its proper divisors (4989458).

6904942 is a wasteful number, since it uses less digits than its factorization.

6904942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16551.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 6904942 is about 2627.7256325576. The cubic root of 6904942 is about 190.4232669057.

The spelling of 6904942 in words is "six million, nine hundred four thousand, nine hundred forty-two".

Divisors: 1 2 11 19 22 38 209 418 16519 33038 181709 313861 363418 627722 3452471 6904942