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675742 = 2337871
BaseRepresentation
bin10100100111110011110
31021022221111
42210332132
5133110432
622252234
75513044
oct2447636
91238844
10675742
11421771
1228707a
131a8762
14138394
15d5347
hexa4f9e

675742 has 4 divisors (see below), whose sum is σ = 1013616. Its totient is φ = 337870.

The previous prime is 675739. The next prime is 675743. The reversal of 675742 is 247576.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168934 + ... + 168937.

It is an arithmetic number, because the mean of its divisors is an integer number (253404).

2675742 is an apocalyptic number.

675742 is a deficient number, since it is larger than the sum of its proper divisors (337874).

675742 is a wasteful number, since it uses less digits than its factorization.

675742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337873.

The product of its digits is 11760, while the sum is 31.

The square root of 675742 is about 822.0352790483. The cubic root of 675742 is about 87.7526629116.

It can be divided in two parts, 67574 and 2, that added together give a palindrome (67576).

The spelling of 675742 in words is "six hundred seventy-five thousand, seven hundred forty-two".

Divisors: 1 2 337871 675742