Search a number
-
+
1872042 = 23312007
BaseRepresentation
bin111001001000010101010
310112002221220
413021002222
5434401132
6104042510
721624564
oct7110252
93462856
101872042
111069547
12763436
13507123
1436a334
1526ea2c
hex1c90aa

1872042 has 8 divisors (see below), whose sum is σ = 3744096. Its totient is φ = 624012.

The previous prime is 1872007. The next prime is 1872043. The reversal of 1872042 is 2402781.

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

1872042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1872043) 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, 155998 + ... + 156009.

It is an arithmetic number, because the mean of its divisors is an integer number (468012).

21872042 is an apocalyptic number.

1872042 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.

1872042 is a wasteful number, since it uses less digits than its factorization.

1872042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312012.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1872042 is about 1368.2258585482. The cubic root of 1872042 is about 123.2457246507.

The spelling of 1872042 in words is "one million, eight hundred seventy-two thousand, forty-two".

Divisors: 1 2 3 6 312007 624014 936021 1872042