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61426000 = 245330713
BaseRepresentation
bin1110101001010…
…0100101010000
311021120202122001
43222110211100
5111211113000
610032323344
71344053356
oct352244520
9137522561
1061426000
1131745299
12186a3554
13c95905c
14822d7d6
1555d546a
hex3a94950

61426000 has 40 divisors (see below), whose sum is σ = 148532904. Its totient is φ = 24569600.

The previous prime is 61425989. The next prime is 61426003. The reversal of 61426000 is 62416.

It can be written as a sum of positive squares in 4 ways, for example, as 23104 + 61402896 = 152^2 + 7836^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61426003) 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 7 ways as a sum of consecutive naturals, for example, 13357 + ... + 17356.

Almost surely, 261426000 is an apocalyptic number.

It is an amenable number.

61426000 is an abundant number, since it is smaller than the sum of its proper divisors (87106904).

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

61426000 is a wasteful number, since it uses less digits than its factorization.

61426000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30736 (or 30720 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 61426000 is about 7837.4740828918. The cubic root of 61426000 is about 394.5639582888.

Adding to 61426000 its reverse (62416), we get a palindrome (61488416).

The spelling of 61426000 in words is "sixty-one million, four hundred twenty-six thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 30713 61426 122852 153565 245704 307130 491408 614260 767825 1228520 1535650 2457040 3071300 3839125 6142600 7678250 12285200 15356500 30713000 61426000