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127147340 = 2257980473
BaseRepresentation
bin1111001010000…
…01110101001100
322212020202100202
413211001311030
5230022203330
620341113032
73102506645
oct745016514
9285222322
10127147340
1165853751
12366b8778
132045a218
1412c5a6cc
15b268445
hex7941d4c

127147340 has 24 divisors (see below), whose sum is σ = 270392640. Its totient is φ = 50214528.

The previous prime is 127147333. The next prime is 127147343. The reversal of 127147340 is 43741721.

It is not an unprimeable number, because it can be changed into a prime (127147343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38657 + ... + 41816.

It is an arithmetic number, because the mean of its divisors is an integer number (11266360).

Almost surely, 2127147340 is an apocalyptic number.

127147340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127147340 is an abundant number, since it is smaller than the sum of its proper divisors (143245300).

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

127147340 is a wasteful number, since it uses less digits than its factorization.

127147340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80561 (or 80559 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 127147340 is about 11275.9629300561. The cubic root of 127147340 is about 502.8468797867.

The spelling of 127147340 in words is "one hundred twenty-seven million, one hundred forty-seven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 80473 160946 321892 402365 804730 1609460 6357367 12714734 25429468 31786835 63573670 127147340