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27670248 = 233442701
BaseRepresentation
bin110100110001…
…1011011101000
31221001210110000
41221203123220
524040421443
62425023000
7454123164
oct151433350
957053400
1027670248
111468a081
129324a60
13596a738
143963ca4
1526688d3
hex1a636e8

27670248 has 40 divisors (see below), whose sum is σ = 77504130. Its totient is φ = 9223200.

The previous prime is 27670241. The next prime is 27670261. The reversal of 27670248 is 84207672.

It can be written as a sum of positive squares in only one way, i.e., 17288964 + 10381284 = 4158^2 + 3222^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (27670241) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 20703 + ... + 21998.

Almost surely, 227670248 is an apocalyptic number.

It is an amenable number.

27670248 is an abundant number, since it is smaller than the sum of its proper divisors (49833882).

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

27670248 is a wasteful number, since it uses less digits than its factorization.

27670248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42719 (or 42706 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 27670248 is about 5260.2517050042. The cubic root of 27670248 is about 302.4621376467.

The spelling of 27670248 in words is "twenty-seven million, six hundred seventy thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 42701 85402 128103 170804 256206 341608 384309 512412 768618 1024824 1152927 1537236 2305854 3074472 3458781 4611708 6917562 9223416 13835124 27670248