Search a number
-
+
120051906 = 23131539127
BaseRepresentation
bin1110010011111…
…01100011000010
322100220021020220
413021331203002
5221213130111
615525043510
72655265362
oct711754302
9270807226
10120051906
1161847857
1234256596
131bb44740
1411d309a2
15a815e06
hex727d8c2

120051906 has 16 divisors (see below), whose sum is σ = 258573504. Its totient is φ = 36939024.

The previous prime is 120051889. The next prime is 120051913. The reversal of 120051906 is 609150021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769486 + ... + 769641.

It is an arithmetic number, because the mean of its divisors is an integer number (16160844).

Almost surely, 2120051906 is an apocalyptic number.

120051906 is an abundant number, since it is smaller than the sum of its proper divisors (138521598).

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

120051906 is a wasteful number, since it uses less digits than its factorization.

120051906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539145.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 120051906 is about 10956.8200678847. The cubic root of 120051906 is about 493.3135219501.

The spelling of 120051906 in words is "one hundred twenty million, fifty-one thousand, nine hundred six".

Divisors: 1 2 3 6 13 26 39 78 1539127 3078254 4617381 9234762 20008651 40017302 60025953 120051906