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662942 = 2747353
BaseRepresentation
bin10100001110110011110
31020200101102
42201312132
5132203232
622113102
75430530
oct2416636
91220342
10662942
11413095
1227b792
131a2997
14133850
15d1662
hexa1d9e

662942 has 8 divisors (see below), whose sum is σ = 1136496. Its totient is φ = 284112.

The previous prime is 662941. The next prime is 662947. The reversal of 662942 is 249266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23663 + ... + 23690.

It is an arithmetic number, because the mean of its divisors is an integer number (142062).

2662942 is an apocalyptic number.

662942 is a deficient number, since it is larger than the sum of its proper divisors (473554).

662942 is a wasteful number, since it uses less digits than its factorization.

662942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47362.

The product of its digits is 5184, while the sum is 29.

The square root of 662942 is about 814.2125029745. The cubic root of 662942 is about 87.1950527452.

The spelling of 662942 in words is "six hundred sixty-two thousand, nine hundred forty-two".

Divisors: 1 2 7 14 47353 94706 331471 662942