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6942942 = 2331967101
BaseRepresentation
bin11010011111000011011110
3111001201221000
4122133003132
53234133232
6404451130
7113004546
oct32370336
914051830
106942942
113a12376
1223a9aa6
131591266
14cca326
1592227c
hex69f0de

6942942 has 64 divisors (see below), whose sum is σ = 16646400. Its totient is φ = 2138400.

The previous prime is 6942931. The next prime is 6942967. The reversal of 6942942 is 2492496.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

Its product of digits (31104) is a multiple of the sum of its prime divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 6942897 and 6942906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68692 + ... + 68792.

It is an arithmetic number, because the mean of its divisors is an integer number (260100).

Almost surely, 26942942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6942942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8323200).

6942942 is an abundant number, since it is smaller than the sum of its proper divisors (9703458).

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

6942942 is a wasteful number, since it uses less digits than its factorization.

6942942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 192 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 6942942 is about 2634.9462992630. The cubic root of 6942942 is about 190.7719471434.

The spelling of 6942942 in words is "six million, nine hundred forty-two thousand, nine hundred forty-two".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 67 101 114 134 171 201 202 303 342 402 513 603 606 909 1026 1206 1273 1809 1818 1919 2546 2727 3618 3819 3838 5454 5757 6767 7638 11457 11514 13534 17271 20301 22914 34371 34542 40602 51813 60903 68742 103626 121806 128573 182709 257146 365418 385719 771438 1157157 2314314 3471471 6942942