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65942 = 232971
BaseRepresentation
bin10000000110010110
310100110022
4100012112
54102232
61225142
7363152
oct200626
9110408
1065942
11455a8
12321b2
1324026
141a062
1514812
hex10196

65942 has 4 divisors (see below), whose sum is σ = 98916. Its totient is φ = 32970.

The previous prime is 65929. The next prime is 65951. The reversal of 65942 is 24956.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 66 + 53 + 93 + 47 + 211 .

It is a congruent number.

It is an unprimeable number.

65942 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16484 + ... + 16487.

It is an arithmetic number, because the mean of its divisors is an integer number (24729).

265942 is an apocalyptic number.

65942 is a deficient number, since it is larger than the sum of its proper divisors (32974).

65942 is a wasteful number, since it uses less digits than its factorization.

65942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32973.

The product of its digits is 2160, while the sum is 26.

The square root of 65942 is about 256.7917444156. The cubic root of 65942 is about 40.4005587610.

The spelling of 65942 in words is "sixty-five thousand, nine hundred forty-two".

Divisors: 1 2 32971 65942