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2140633432 = 23738225597
BaseRepresentation
bin111111110010111…
…0111100101011000
312112011222110000201
41333211313211120
513341000232212
6552225111544
7104022040540
oct17745674530
95464873021
102140633432
119a9371643
124b8a885b4
13281646b02
14164426320
15c7de1b57
hex7f977958

2140633432 has 16 divisors (see below), whose sum is σ = 4587071760. Its totient is φ = 917414304.

The previous prime is 2140633427. The next prime is 2140633433. The reversal of 2140633432 is 2343360412.

It is a super-2 number, since 2×21406334322 = 9164622980392197248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 2140633432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140633433) 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, 19112743 + ... + 19112854.

It is an arithmetic number, because the mean of its divisors is an integer number (286691985).

Almost surely, 22140633432 is an apocalyptic number.

It is an amenable number.

2140633432 is an abundant number, since it is smaller than the sum of its proper divisors (2446438328).

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

2140633432 is a wasteful number, since it uses less digits than its factorization.

2140633432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38225610 (or 38225606 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 2140633432 is about 46266.9799316964. The cubic root of 2140633432 is about 1288.7858760560.

Adding to 2140633432 its reverse (2343360412), we get a palindrome (4483993844).

The spelling of 2140633432 in words is "two billion, one hundred forty million, six hundred thirty-three thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 38225597 76451194 152902388 267579179 305804776 535158358 1070316716 2140633432