Search a number
-
+
154575042 = 23231120109
BaseRepresentation
bin10010011011010…
…10000011000010
3101202212020002120
421031222003002
5304032400132
623201025110
73554603046
oct1115520302
9352766076
10154575042
117a287576
1243925196
132604142b
141675a026
15d88502c
hex936a0c2

154575042 has 16 divisors (see below), whose sum is σ = 322591680. Its totient is φ = 49284752.

The previous prime is 154575007. The next prime is 154575053. The reversal of 154575042 is 240575451.

It is a junction number, because it is equal to n+sod(n) for n = 154574994 and 154575012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559917 + ... + 560192.

It is an arithmetic number, because the mean of its divisors is an integer number (20161980).

Almost surely, 2154575042 is an apocalyptic number.

154575042 is an abundant number, since it is smaller than the sum of its proper divisors (168016638).

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

154575042 is a wasteful number, since it uses less digits than its factorization.

154575042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120137.

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 154575042 is about 12432.8211601390. The cubic root of 154575042 is about 536.6771742003.

The spelling of 154575042 in words is "one hundred fifty-four million, five hundred seventy-five thousand, forty-two".

Divisors: 1 2 3 6 23 46 69 138 1120109 2240218 3360327 6720654 25762507 51525014 77287521 154575042