Search a number
-
+
790942421 = 2237194933
BaseRepresentation
bin101111001001001…
…101001011010101
32001010022001000202
4233021031023111
53104440124141
6210252350245
725412620403
oct5711151325
92033261022
10790942421
11376514825
121a0a75385
13c7b31289
147708c473
154968849b
hex2f24d2d5

790942421 has 8 divisors (see below), whose sum is σ = 795755520. Its totient is φ = 786141072.

The previous prime is 790942381. The next prime is 790942457. The reversal of 790942421 is 124249097.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-790942421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (790944421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157871 + ... + 162803.

It is an arithmetic number, because the mean of its divisors is an integer number (99469440).

Almost surely, 2790942421 is an apocalyptic number.

It is an amenable number.

790942421 is a deficient number, since it is larger than the sum of its proper divisors (4813099).

790942421 is a wasteful number, since it uses less digits than its factorization.

790942421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5875.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 790942421 is about 28123.6985654448. The cubic root of 790942421 is about 924.8009977551.

The spelling of 790942421 in words is "seven hundred ninety million, nine hundred forty-two thousand, four hundred twenty-one".

Divisors: 1 223 719 4933 160337 1100059 3546827 790942421