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65422472 = 2319430411
BaseRepresentation
bin1111100110010…
…0010010001000
311120002210202112
43321210102020
5113222004342
610254121452
71423040033
oct371442210
9146083675
1065422472
1133a24965
1219ab0288
131072812b
14899001a
155b24682
hex3e64488

65422472 has 16 divisors (see below), whose sum is σ = 129123600. Its totient is φ = 30989520.

The previous prime is 65422457. The next prime is 65422501. The reversal of 65422472 is 27422456.

It is an unprimeable number.

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, 215054 + ... + 215357.

It is an arithmetic number, because the mean of its divisors is an integer number (8070225).

Almost surely, 265422472 is an apocalyptic number.

It is an amenable number.

65422472 is a deficient number, since it is larger than the sum of its proper divisors (63701128).

65422472 is a wasteful number, since it uses less digits than its factorization.

65422472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430436 (or 430432 counting only the distinct ones).

The product of its digits is 26880, while the sum is 32.

The square root of 65422472 is about 8088.4159141330. The cubic root of 65422472 is about 402.9417949012.

The spelling of 65422472 in words is "sixty-five million, four hundred twenty-two thousand, four hundred seventy-two".

Divisors: 1 2 4 8 19 38 76 152 430411 860822 1721644 3443288 8177809 16355618 32711236 65422472