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27019072 = 261572689
BaseRepresentation
bin110011100010…
…0011101000000
31212211201012101
41213010131000
523404102242
62403040144
7445441543
oct147043500
955751171
1027019072
1114284913
129070054
1357a0222
14383485a
15258a9b7
hex19c4740

27019072 has 28 divisors (see below), whose sum is σ = 53977540. Its totient is φ = 13418496.

The previous prime is 27019067. The next prime is 27019087. The reversal of 27019072 is 27091072.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3748096 + 23270976 = 1936^2 + 4824^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27019072.

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, 8704 + ... + 11392.

Almost surely, 227019072 is an apocalyptic number.

It is an amenable number.

27019072 is a deficient number, since it is larger than the sum of its proper divisors (26958468).

27019072 is a wasteful number, since it uses less digits than its factorization.

27019072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858 (or 2848 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 27019072 is about 5197.9873027933. The cubic root of 27019072 is about 300.0706204116.

The spelling of 27019072 in words is "twenty-seven million, nineteen thousand, seventy-two".

Divisors: 1 2 4 8 16 32 64 157 314 628 1256 2512 2689 5024 5378 10048 10756 21512 43024 86048 172096 422173 844346 1688692 3377384 6754768 13509536 27019072