Search a number
-
+
6278742 = 233116273
BaseRepresentation
bin10111111100111001010110
3102210222211000
4113330321112
53101404432
6342324130
7104240241
oct27747126
912728730
106278742
1135a9348
122129646
1313bab42
14b96258
1584057c
hex5fce56

6278742 has 16 divisors (see below), whose sum is σ = 13952880. Its totient is φ = 2092896.

The previous prime is 6278717. The next prime is 6278749. The reversal of 6278742 is 2478726.

It is a super-2 number, since 2×62787422 = 78845202205128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6278697 and 6278706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6278749) 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, 58083 + ... + 58190.

It is an arithmetic number, because the mean of its divisors is an integer number (872055).

Almost surely, 26278742 is an apocalyptic number.

6278742 is an abundant number, since it is smaller than the sum of its proper divisors (7674138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6278742 is a wasteful number, since it uses less digits than its factorization.

6278742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116284 (or 116278 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 6278742 is about 2505.7418063320. The cubic root of 6278742 is about 184.4835070193.

The spelling of 6278742 in words is "six million, two hundred seventy-eight thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 116273 232546 348819 697638 1046457 2092914 3139371 6278742