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2500368940 = 225125018447
BaseRepresentation
bin1001010100001000…
…1001101000101100
320110020212220101001
42111002021220230
520110043301230
61052035330044
7115650533236
oct22502115054
96406786331
102500368940
111073436213
12599450924
1330b02b364
1419a109256
15e97a00ca
hex95089a2c

2500368940 has 12 divisors (see below), whose sum is σ = 5250774816. Its totient is φ = 1000147568.

The previous prime is 2500368931. The next prime is 2500368947. The reversal of 2500368940 is 498630052.

It is a super-2 number, since 2×25003689402 = 12503689672233447200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2500368940.

It is not an unprimeable number, because it can be changed into a prime (2500368947) 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, 62509204 + ... + 62509243.

It is an arithmetic number, because the mean of its divisors is an integer number (437564568).

Almost surely, 22500368940 is an apocalyptic number.

2500368940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2500368940 is an abundant number, since it is smaller than the sum of its proper divisors (2750405876).

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

2500368940 is a wasteful number, since it uses less digits than its factorization.

2500368940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125018456 (or 125018454 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 2500368940 is about 50003.6892638933. The cubic root of 2500368940 is about 1357.2755688292.

Adding to 2500368940 its reverse (498630052), we get a palindrome (2998998992).

The spelling of 2500368940 in words is "two billion, five hundred million, three hundred sixty-eight thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 125018447 250036894 500073788 625092235 1250184470 2500368940