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2275732040 = 235457124493
BaseRepresentation
bin1000011110100100…
…1110101001001000
312212121012011110212
42013221032221020
514130041411130
61013452500252
7110252255201
oct20751165110
95777164425
102275732040
11a6865618a
1253617a688
132a362920a
141783525a8
15d4bcae95
hex87a4ea48

2275732040 has 32 divisors (see below), whose sum is σ = 5131642680. Its totient is φ = 908293632.

The previous prime is 2275732031. The next prime is 2275732091. The reversal of 2275732040 is 402375722.

It can be written as a sum of positive squares in 4 ways, for example, as 2101122244 + 174609796 = 45838^2 + 13214^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2275731988 and 2275732006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43967 + ... + 80526.

Almost surely, 22275732040 is an apocalyptic number.

2275732040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2275732040 is an abundant number, since it is smaller than the sum of its proper divisors (2855910640).

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

2275732040 is a wasteful number, since it uses less digits than its factorization.

2275732040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124961 (or 124957 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 2275732040 is about 47704.6333179493. The cubic root of 2275732040 is about 1315.3471091858.

The spelling of 2275732040 in words is "two billion, two hundred seventy-five million, seven hundred thirty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 457 914 1828 2285 3656 4570 9140 18280 124493 248986 497972 622465 995944 1244930 2489860 4979720 56893301 113786602 227573204 284466505 455146408 568933010 1137866020 2275732040