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2509225140 = 2235263159013
BaseRepresentation
bin1001010110001111…
…1011110010110100
320110212112211210110
42111203323302310
520114330201030
61052553223020
7116116030122
oct22543736264
96425484713
102509225140
111078434a94
125a0401a70
1330cb0c406
1419b372912
15ea44e1b0
hex958fbcb4

2509225140 has 48 divisors (see below), whose sum is σ = 7052588928. Its totient is φ = 666578304.

The previous prime is 2509225123. The next prime is 2509225141. The reversal of 2509225140 is 415229052.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2509225098 and 2509225107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2509225141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63727 + ... + 95286.

It is an arithmetic number, because the mean of its divisors is an integer number (146928936).

Almost surely, 22509225140 is an apocalyptic number.

2509225140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2509225140 is an abundant number, since it is smaller than the sum of its proper divisors (4543363788).

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

2509225140 is a wasteful number, since it uses less digits than its factorization.

2509225140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159288 (or 159286 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 2509225140 is about 50092.1664534486. The cubic root of 2509225140 is about 1358.8761512819.

The spelling of 2509225140 in words is "two billion, five hundred nine million, two hundred twenty-five thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 263 526 789 1052 1315 1578 2630 3156 3945 5260 7890 15780 159013 318026 477039 636052 795065 954078 1590130 1908156 2385195 3180260 4770390 9540780 41820419 83640838 125461257 167281676 209102095 250922514 418204190 501845028 627306285 836408380 1254612570 2509225140