Search a number
-
+
42541512 = 23313136351
BaseRepresentation
bin1010001001001…
…0000111001000
32222001022222120
42202102013020
541342312022
64115451240
71024411506
oct242220710
988038876
1042541512
1122017082
12122b6b20
138a765c0
145915676
153b04d5c
hex28921c8

42541512 has 32 divisors (see below), whose sum is σ = 114535680. Its totient is φ = 13089600.

The previous prime is 42541507. The next prime is 42541519. The reversal of 42541512 is 21514524.

It is a super-2 number, since 2×425415122 = 3619560486492288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (42541519) 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, 67864 + ... + 68487.

It is an arithmetic number, because the mean of its divisors is an integer number (3579240).

Almost surely, 242541512 is an apocalyptic number.

It is an amenable number.

42541512 is an abundant number, since it is smaller than the sum of its proper divisors (71994168).

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

42541512 is a wasteful number, since it uses less digits than its factorization.

42541512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136373 (or 136369 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 42541512 is about 6522.3854531912. The cubic root of 42541512 is about 349.0901866798.

The spelling of 42541512 in words is "forty-two million, five hundred forty-one thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 136351 272702 409053 545404 818106 1090808 1636212 1772563 3272424 3545126 5317689 7090252 10635378 14180504 21270756 42541512