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2423037640 = 23560575941
BaseRepresentation
bin1001000001101100…
…1001111011001000
320020212101001202211
42100123021323020
514430244201030
61040234034504
7114021323452
oct22033117310
96225331684
102423037640
111033818051
12577578a34
132c7cc38aa
1418db392d2
15e2ac712a
hex906c9ec8

2423037640 has 16 divisors (see below), whose sum is σ = 5451834780. Its totient is φ = 969215040.

The previous prime is 2423037637. The next prime is 2423037641. The reversal of 2423037640 is 467303242.

It can be written as a sum of positive squares in 2 ways, for example, as 2242780164 + 180257476 = 47358^2 + 13426^2 .

It is a super-2 number, since 2×24230376402 = 11742222809713539200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2423037641) 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, 30287931 + ... + 30288010.

Almost surely, 22423037640 is an apocalyptic number.

2423037640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2423037640 is an abundant number, since it is smaller than the sum of its proper divisors (3028797140).

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

2423037640 is a wasteful number, since it uses less digits than its factorization.

2423037640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60575952 (or 60575948 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 2423037640 is about 49224.3602294636. The cubic root of 2423037640 is about 1343.1361976490.

The spelling of 2423037640 in words is "two billion, four hundred twenty-three million, thirty-seven thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 60575941 121151882 242303764 302879705 484607528 605759410 1211518820 2423037640