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2402487940 = 2251716994159
BaseRepresentation
bin1000111100110011…
…0000111010000100
320012102201000212211
42033030300322010
514410014103230
61034221353204
7113351545006
oct21714607204
96172630784
102402487940
111023161826
12570708804
132c397a1c8
1418b10a376
15e0db842a
hex8f330e84

2402487940 has 48 divisors (see below), whose sum is σ = 5346432000. Its totient is φ = 903716352.

The previous prime is 2402487937. The next prime is 2402487973. The reversal of 2402487940 is 497842042.

It is a junction number, because it is equal to n+sod(n) for n = 2402487893 and 2402487902.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575581 + ... + 579739.

It is an arithmetic number, because the mean of its divisors is an integer number (111384000).

Almost surely, 22402487940 is an apocalyptic number.

2402487940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2402487940 is an abundant number, since it is smaller than the sum of its proper divisors (2943944060).

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

2402487940 is a wasteful number, since it uses less digits than its factorization.

2402487940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5884 (or 5882 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 2402487940 is about 49015.1807096536. The cubic root of 2402487940 is about 1339.3283817846.

The spelling of 2402487940 in words is "two billion, four hundred two million, four hundred eighty-seven thousand, nine hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 1699 3398 4159 6796 8318 8495 16636 16990 20795 28883 33980 41590 57766 70703 83180 115532 141406 144415 282812 288830 353515 577660 707030 1414060 7066141 14132282 28264564 35330705 70661410 120124397 141322820 240248794 480497588 600621985 1201243970 2402487940