Search a number
-
+
27701406 = 233512989
BaseRepresentation
bin110100110101…
…1000010011110
31221010101012000
41221223002132
524042421111
62425423130
7454313055
oct151530236
957111160
1027701406
1114700527
12933aaa6
13597b985
14397139c
152672c56
hex1a6b09e

27701406 has 16 divisors (see below), whose sum is σ = 61558800. Its totient is φ = 9233784.

The previous prime is 27701393. The next prime is 27701413. The reversal of 27701406 is 60410772.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 27701406.

It is a congruent number.

It is an unprimeable number.

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, 256441 + ... + 256548.

It is an arithmetic number, because the mean of its divisors is an integer number (3847425).

Almost surely, 227701406 is an apocalyptic number.

27701406 is an abundant number, since it is smaller than the sum of its proper divisors (33857394).

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

27701406 is a wasteful number, since it uses less digits than its factorization.

27701406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513000 (or 512994 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 27701406 is about 5263.2125170850. The cubic root of 27701406 is about 302.5756239222.

The spelling of 27701406 in words is "twenty-seven million, seven hundred one thousand, four hundred six".

Divisors: 1 2 3 6 9 18 27 54 512989 1025978 1538967 3077934 4616901 9233802 13850703 27701406