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27020207 = 109724631
BaseRepresentation
bin110011100010…
…0101110101111
31212211202202102
41213010232233
523404121312
62403045315
7445445054
oct147045657
955752672
1027020207
1114285755
12907083b
1357a08b6
14383502b
15258aec2
hex19c4baf

27020207 has 4 divisors (see below), whose sum is σ = 27045936. Its totient is φ = 26994480.

The previous prime is 27020179. The next prime is 27020219. The reversal of 27020207 is 70202072.

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

It is a cyclic number.

It is not a de Polignac number, because 27020207 - 26 = 27020143 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 (27020237) 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, 11219 + ... + 13412.

It is an arithmetic number, because the mean of its divisors is an integer number (6761484).

Almost surely, 227020207 is an apocalyptic number.

27020207 is a deficient number, since it is larger than the sum of its proper divisors (25729).

27020207 is a wasteful number, since it uses less digits than its factorization.

27020207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25728.

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 27020207 is about 5198.0964785198. The cubic root of 27020207 is about 300.0748220780.

Adding to 27020207 its reverse (70202072), we get a palindrome (97222279).

The spelling of 27020207 in words is "twenty-seven million, twenty thousand, two hundred seven".

Divisors: 1 1097 24631 27020207