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127209084 = 22310600757
BaseRepresentation
bin1111001010100…
…00111001111100
322212100220001120
413211100321330
5230031142314
620342310540
73103154652
oct745207174
9285326046
10127209084
1165896082
1236728450
132047c362
1412c74dd2
15b27b8a9
hex7950e7c

127209084 has 12 divisors (see below), whose sum is σ = 296821224. Its totient is φ = 42403024.

The previous prime is 127209073. The next prime is 127209091. The reversal of 127209084 is 480902721.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5300367 + ... + 5300390.

It is an arithmetic number, because the mean of its divisors is an integer number (24735102).

Almost surely, 2127209084 is an apocalyptic number.

It is an amenable number.

127209084 is an abundant number, since it is smaller than the sum of its proper divisors (169612140).

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

127209084 is a wasteful number, since it uses less digits than its factorization.

127209084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10600764 (or 10600762 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 127209084 is about 11278.7004570562. The cubic root of 127209084 is about 502.9282624131.

The spelling of 127209084 in words is "one hundred twenty-seven million, two hundred nine thousand, eighty-four".

Divisors: 1 2 3 4 6 12 10600757 21201514 31802271 42403028 63604542 127209084