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65404942 = 2301110861
BaseRepresentation
bin1111100110000…
…0000000001110
311120001220201021
43321200000032
5113220424232
610253504354
71422634651
oct371400016
9146056637
1065404942
1133a12779
1219aa20ba
1310720165
148987898
155b1e397
hex3e6000e

65404942 has 8 divisors (see below), whose sum is σ = 98149032. Its totient is φ = 32688600.

The previous prime is 65404909. The next prime is 65404951. The reversal of 65404942 is 24940456.

65404942 is nontrivially palindromic in base 14.

65404942 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.

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

It is a junction number, because it is equal to n+sod(n) for n = 65404898 and 65404907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592 + ... + 11452.

It is an arithmetic number, because the mean of its divisors is an integer number (12268629).

Almost surely, 265404942 is an apocalyptic number.

65404942 is a deficient number, since it is larger than the sum of its proper divisors (32744090).

65404942 is a wasteful number, since it uses less digits than its factorization.

65404942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13874.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 65404942 is about 8087.3321930041. The cubic root of 65404942 is about 402.9058021684.

The spelling of 65404942 in words is "sixty-five million, four hundred four thousand, nine hundred forty-two".

Divisors: 1 2 3011 6022 10861 21722 32702471 65404942