Search a number
-
+
2418992140 = 225120949607
BaseRepresentation
bin1001000000101110…
…1110010000001100
320020120202112101111
42100023232100030
514423230222030
61040011221404
7113642044135
oct22013562014
96216675344
102418992140
111031504664
12576147864
132c72083c6
1418d3a4c8c
15e257862a
hex902ee40c

2418992140 has 12 divisors (see below), whose sum is σ = 5079883536. Its totient is φ = 967596848.

The previous prime is 2418992123. The next prime is 2418992249. The reversal of 2418992140 is 412998142.

It is a junction number, because it is equal to n+sod(n) for n = 2418992093 and 2418992102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60474784 + ... + 60474823.

It is an arithmetic number, because the mean of its divisors is an integer number (423323628).

Almost surely, 22418992140 is an apocalyptic number.

2418992140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2418992140 is an abundant number, since it is smaller than the sum of its proper divisors (2660891396).

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

2418992140 is a wasteful number, since it uses less digits than its factorization.

2418992140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120949616 (or 120949614 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 2418992140 is about 49183.2506042453. The cubic root of 2418992140 is about 1342.3882818628.

It can be divided in two parts, 24 and 18992140, that added together give a square (18992164 = 43582).

The spelling of 2418992140 in words is "two billion, four hundred eighteen million, nine hundred ninety-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 120949607 241899214 483798428 604748035 1209496070 2418992140