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272642 = 2235927
BaseRepresentation
bin1000010100100000010
3111211222212
41002210002
532211032
65502122
72213606
oct1024402
9454885
10272642
11176927
12111942
1397136
1471506
1555bb2
hex42902

272642 has 8 divisors (see below), whose sum is σ = 426816. Its totient is φ = 130372.

The previous prime is 272621. The next prime is 272651. The reversal of 272642 is 246272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2726423 = 60799433323299864, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

272642 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2918 + ... + 3009.

It is an arithmetic number, because the mean of its divisors is an integer number (53352).

2272642 is an apocalyptic number.

272642 is a deficient number, since it is larger than the sum of its proper divisors (154174).

272642 is a wasteful number, since it uses less digits than its factorization.

272642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5952.

The product of its digits is 1344, while the sum is 23.

The square root of 272642 is about 522.1513190637. The cubic root of 272642 is about 64.8431722163.

The spelling of 272642 in words is "two hundred seventy-two thousand, six hundred forty-two".

Divisors: 1 2 23 46 5927 11854 136321 272642