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2731470320 = 245107319097
BaseRepresentation
bin1010001011001110…
…1110110111110000
321001100202001212102
42202303232313300
521043224022240
61131012515532
7124455054215
oct24263566760
97040661772
102731470320
111181931097
1264291bba8
13346b84a37
141bcaa5b0c
1510ebee815
hexa2ceedf0

2731470320 has 40 divisors (see below), whose sum is σ = 6410040624. Its totient is φ = 1082373632.

The previous prime is 2731470319. The next prime is 2731470331. The reversal of 2731470320 is 230741372.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 150989 + ... + 168108.

Almost surely, 22731470320 is an apocalyptic number.

2731470320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2731470320 is an abundant number, since it is smaller than the sum of its proper divisors (3678570304).

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

2731470320 is a wasteful number, since it uses less digits than its factorization.

2731470320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319217 (or 319211 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 2731470320 is about 52263.4702253878. The cubic root of 2731470320 is about 1397.8658504121.

The spelling of 2731470320 in words is "two billion, seven hundred thirty-one million, four hundred seventy thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 107 214 428 535 856 1070 1712 2140 4280 8560 319097 638194 1276388 1595485 2552776 3190970 5105552 6381940 12763880 25527760 34143379 68286758 136573516 170716895 273147032 341433790 546294064 682867580 1365735160 2731470320