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746420 = 22537321
BaseRepresentation
bin10110110001110110100
31101220220012
42312032310
5142341140
623555352
76226103
oct2661664
91356805
10746420
1146a884
122bbb58
1320198c
1415603a
15eb265
hexb63b4

746420 has 12 divisors (see below), whose sum is σ = 1567524. Its totient is φ = 298560.

The previous prime is 746413. The next prime is 746429. The reversal of 746420 is 24647.

It can be written as a sum of positive squares in 2 ways, for example, as 456976 + 289444 = 676^2 + 538^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

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 746420.

It is not an unprimeable number, because it can be changed into a prime (746429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18641 + ... + 18680.

It is an arithmetic number, because the mean of its divisors is an integer number (130627).

2746420 is an apocalyptic number.

It is an amenable number.

746420 is an abundant number, since it is smaller than the sum of its proper divisors (821104).

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

746420 is a wasteful number, since it uses less digits than its factorization.

746420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37330 (or 37328 counting only the distinct ones).

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

The square root of 746420 is about 863.9560173990. The cubic root of 746420 is about 90.7112369772.

The spelling of 746420 in words is "seven hundred forty-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 37321 74642 149284 186605 373210 746420