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127396369 = 112872
BaseRepresentation
bin1111001011111…
…10101000010001
322212201101222001
413211332220101
5230103140434
620350314001
73104564662
oct745765021
9285641861
10127396369
1165a03861
12367b8901
1320516689
1412cc3369
15b2b7114
hex797ea11

127396369 has 3 divisors (see below), whose sum is σ = 127407657. Its totient is φ = 127385082.

The previous prime is 127396361. The next prime is 127396393. The reversal of 127396369 is 963693721.

The square root of 127396369 is 11287.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 127396369 - 23 = 127396361 is a prime.

It is a super-2 number, since 2×1273963692 = 32459669668768322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127396361) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5644 + ... + 16930.

It is an arithmetic number, because the mean of its divisors is an integer number (42469219).

Almost surely, 2127396369 is an apocalyptic number.

127396369 is the 11287-th square number.

127396369 is the 5644-th centered octagonal number.

It is an amenable number.

127396369 is a deficient number, since it is larger than the sum of its proper divisors (11288).

127396369 is an frugal number, since it uses more digits than its factorization.

127396369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22574 (or 11287 counting only the distinct ones).

The product of its digits is 367416, while the sum is 46.

The cubic root of 127396369 is about 503.1749553114.

It can be divided in two parts, 127396 and 369, that added together give a triangular number (127765 = T505).

The spelling of 127396369 in words is "one hundred twenty-seven million, three hundred ninety-six thousand, three hundred sixty-nine".

Divisors: 1 11287 127396369