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27148207 = 191428853
BaseRepresentation
bin110011110001…
…1111110101111
31220002021100011
41213203332233
523422220312
62405514051
7446520202
oct147437657
956067304
1027148207
1114362939
129112927
135816c38
143869939
1525b3da7
hex19e3faf

27148207 has 4 divisors (see below), whose sum is σ = 28577080. Its totient is φ = 25719336.

The previous prime is 27148183. The next prime is 27148213. The reversal of 27148207 is 70284172.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27148207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27148607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714408 + ... + 714445.

It is an arithmetic number, because the mean of its divisors is an integer number (7144270).

Almost surely, 227148207 is an apocalyptic number.

27148207 is a deficient number, since it is larger than the sum of its proper divisors (1428873).

27148207 is a wasteful number, since it uses less digits than its factorization.

27148207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428872.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 27148207 is about 5210.3941309655. The cubic root of 27148207 is about 300.5479135082.

The spelling of 27148207 in words is "twenty-seven million, one hundred forty-eight thousand, two hundred seven".

Divisors: 1 19 1428853 27148207