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742061 = 1275843
BaseRepresentation
bin10110101001010101101
31101200220202
42311022231
5142221221
623523245
76210305
oct2651255
91350822
10742061
11467581
122b9525
131cc9b8
14154605
15e9d0b
hexb52ad

742061 has 4 divisors (see below), whose sum is σ = 748032. Its totient is φ = 736092.

The previous prime is 742057. The next prime is 742069. The reversal of 742061 is 160247.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 742061 - 22 = 742057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742069) 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, 2795 + ... + 3048.

It is an arithmetic number, because the mean of its divisors is an integer number (187008).

2742061 is an apocalyptic number.

It is an amenable number.

742061 is a deficient number, since it is larger than the sum of its proper divisors (5971).

742061 is a wasteful number, since it uses less digits than its factorization.

742061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5970.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 742061 is about 861.4296256805. The cubic root of 742061 is about 90.5343113389.

The spelling of 742061 in words is "seven hundred forty-two thousand, sixty-one".

Divisors: 1 127 5843 742061