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127442107 = 1367146317
BaseRepresentation
bin1111001100010…
…01110010111011
322212210201201001
413212021302323
5230111121412
620351305431
73105145222
oct746116273
9285721631
10127442107
1165a35161
123681b277
1320531440
1412cd5cb9
15b2c5957
hex7989cbb

127442107 has 8 divisors (see below), whose sum is σ = 139294736. Its totient is φ = 115882272.

The previous prime is 127442083. The next prime is 127442111. The reversal of 127442107 is 701244721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-127442107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127442137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72288 + ... + 74029.

It is an arithmetic number, because the mean of its divisors is an integer number (17411842).

Almost surely, 2127442107 is an apocalyptic number.

127442107 is a deficient number, since it is larger than the sum of its proper divisors (11852629).

127442107 is a wasteful number, since it uses less digits than its factorization.

127442107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146397.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 127442107 is about 11289.0259544391. The cubic root of 127442107 is about 503.2351649354.

Adding to 127442107 its reverse (701244721), we get a palindrome (828686828).

The spelling of 127442107 in words is "one hundred twenty-seven million, four hundred forty-two thousand, one hundred seven".

Divisors: 1 13 67 871 146317 1902121 9803239 127442107