Search a number
-
+
2442142520 = 23561053563
BaseRepresentation
bin1001000110010000…
…0010001100111000
320022012022200201222
42101210002030320
520000142030040
61042155331212
7114342604016
oct22144021470
96265280658
102442142520
111043586904
12581a50b08
132cbc5275c
141924ad8b6
15e45ecbb5
hex91902338

2442142520 has 16 divisors (see below), whose sum is σ = 5494820760. Its totient is φ = 976856992.

The previous prime is 2442142517. The next prime is 2442142537. The reversal of 2442142520 is 252412442.

It is a self number, because there is not a number n which added to its sum of digits gives 2442142520.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 30526742 + ... + 30526821.

Almost surely, 22442142520 is an apocalyptic number.

2442142520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2442142520 is an abundant number, since it is smaller than the sum of its proper divisors (3052678240).

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

2442142520 is a wasteful number, since it uses less digits than its factorization.

2442142520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61053574 (or 61053570 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 2442142520 is about 49418.0384070432. The cubic root of 2442142520 is about 1346.6570272922.

Adding to 2442142520 its reverse (252412442), we get a palindrome (2694554962).

The spelling of 2442142520 in words is "two billion, four hundred forty-two million, one hundred forty-two thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 61053563 122107126 244214252 305267815 488428504 610535630 1221071260 2442142520