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3105225140 = 2254718118251
BaseRepresentation
bin1011100100010101…
…1111100110110100
322000102000210002112
42321011133212310
522324414201030
61232043430152
7136643656343
oct27105374664
98012023075
103105225140
111353900676
12727b25358
133a6437434
14216597b5a
1513292ba95
hexb915f9b4

3105225140 has 48 divisors (see below), whose sum is σ = 6696877824. Its totient is φ = 1208880000.

The previous prime is 3105225139. The next prime is 3105225169. The reversal of 3105225140 is 415225013.

It is a congruent number.

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, 161015 + ... + 179265.

It is an arithmetic number, because the mean of its divisors is an integer number (139518288).

Almost surely, 23105225140 is an apocalyptic number.

It is an amenable number.

3105225140 is an abundant number, since it is smaller than the sum of its proper divisors (3591652684).

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

3105225140 is a wasteful number, since it uses less digits than its factorization.

3105225140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18488 (or 18486 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 3105225140 is about 55724.5470147582. The cubic root of 3105225140 is about 1458.9184991280.

The spelling of 3105225140 in words is "three billion, one hundred five million, two hundred twenty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 47 94 181 188 235 362 470 724 905 940 1810 3620 8507 17014 18251 34028 36502 42535 73004 85070 91255 170140 182510 365020 857797 1715594 3303431 3431188 4288985 6606862 8577970 13213724 16517155 17155940 33034310 66068620 155261257 310522514 621045028 776306285 1552612570 3105225140