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272870 = 25132099
BaseRepresentation
bin1000010100111100110
3111212022022
41002213212
532212440
65503142
72214353
oct1024746
9455268
10272870
11177014
12111ab2
1397280
147162a
1555cb5
hex429e6

272870 has 16 divisors (see below), whose sum is σ = 529200. Its totient is φ = 100704.

The previous prime is 272863. The next prime is 272879. The reversal of 272870 is 78272.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 272870.

It is not an unprimeable number, because it can be changed into a prime (272879) by changing a digit.

272870 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 920 + ... + 1179.

It is an arithmetic number, because the mean of its divisors is an integer number (33075).

2272870 is an apocalyptic number.

272870 is a deficient number, since it is larger than the sum of its proper divisors (256330).

272870 is a wasteful number, since it uses less digits than its factorization.

272870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 272870 is about 522.3696009532. The cubic root of 272870 is about 64.8612424622.

The spelling of 272870 in words is "two hundred seventy-two thousand, eight hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 2099 4198 10495 20990 27287 54574 136435 272870