Search a number
-
+
65422790 = 256542279
BaseRepresentation
bin1111100110010…
…0010111000110
311120002211012022
43321210113012
5113222012130
610254123142
71423040666
oct371442706
9146084168
1065422790
1133a25124
1219ab04b2
1310728314
1489901a6
155b247e5
hex3e645c6

65422790 has 8 divisors (see below), whose sum is σ = 117761040. Its totient is φ = 26169112.

The previous prime is 65422759. The next prime is 65422793. The reversal of 65422790 is 9722456.

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

It is a self number, because there is not a number n which added to its sum of digits gives 65422790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65422793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3271130 + ... + 3271149.

It is an arithmetic number, because the mean of its divisors is an integer number (14720130).

Almost surely, 265422790 is an apocalyptic number.

65422790 is a deficient number, since it is larger than the sum of its proper divisors (52338250).

65422790 is a wasteful number, since it uses less digits than its factorization.

65422790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6542286.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 65422790 is about 8088.4355718520. The cubic root of 65422790 is about 402.9424477619.

The spelling of 65422790 in words is "sixty-five million, four hundred twenty-two thousand, seven hundred ninety".

Divisors: 1 2 5 10 6542279 13084558 32711395 65422790