Search a number
-
+
8872020942 = 231478670157
BaseRepresentation
bin10000100001101000…
…00100101111001110
3211220022021100202020
420100310010233032
5121132214132232
64024210111010
7432566635161
oct102064045716
924808240666
108872020942
11384302a714
12187727b466
13ab50c1645
1460241dad8
1536dd4be2c
hex210d04bce

8872020942 has 8 divisors (see below), whose sum is σ = 17744041896. Its totient is φ = 2957340312.

The previous prime is 8872020929. The next prime is 8872020959. The reversal of 8872020942 is 2490202788.

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

8872020942 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 8872020894 and 8872020903.

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, 739335073 + ... + 739335084.

It is an arithmetic number, because the mean of its divisors is an integer number (2218005237).

Almost surely, 28872020942 is an apocalyptic number.

8872020942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8872020942 is a wasteful number, since it uses less digits than its factorization.

8872020942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478670162.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 8872020942 is about 94191.4058818531. The cubic root of 8872020942 is about 2070.1771917680.

The spelling of 8872020942 in words is "eight billion, eight hundred seventy-two million, twenty thousand, nine hundred forty-two".

Divisors: 1 2 3 6 1478670157 2957340314 4436010471 8872020942