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BaseRepresentation
bin11010101010110001011110
3111011011202210
4122222301132
53242202232
6405501250
7113264520
oct32526136
914134683
106990942
113a45442
122411826
1315aa06a
14cdda10
159315cc
hex6aac5e

6990942 has 32 divisors (see below), whose sum is σ = 16676352. Its totient is φ = 1910304.

The previous prime is 6990923. The next prime is 6990953. The reversal of 6990942 is 2490996.

It is a self number, because there is not a number n which added to its sum of digits gives 6990942.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2653 + ... + 4584.

It is an arithmetic number, because the mean of its divisors is an integer number (521136).

Almost surely, 26990942 is an apocalyptic number.

6990942 is an abundant number, since it is smaller than the sum of its proper divisors (9685410).

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

6990942 is a wasteful number, since it uses less digits than its factorization.

6990942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7272.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 6990942 is about 2644.0389558401. The cubic root of 6990942 is about 191.2105715635.

The spelling of 6990942 in words is "six million, nine hundred ninety thousand, nine hundred forty-two".