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742046 = 23111193
BaseRepresentation
bin10110101001010011110
31101200220012
42311022132
5142221141
623523222
76210254
oct2651236
91350805
10742046
11467568
122b9512
131cc9a6
141545d4
15e9ceb
hexb529e

742046 has 8 divisors (see below), whose sum is σ = 1117584. Its totient is φ = 369520.

The previous prime is 742037. The next prime is 742057. The reversal of 742046 is 640247.

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

It is a super-2 number, since 2×7420462 = 1101264532232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

742046 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26 + ... + 1218.

It is an arithmetic number, because the mean of its divisors is an integer number (139698).

2742046 is an apocalyptic number.

742046 is a deficient number, since it is larger than the sum of its proper divisors (375538).

742046 is a wasteful number, since it uses less digits than its factorization.

742046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506.

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

The square root of 742046 is about 861.4209191795. The cubic root of 742046 is about 90.5337013155.

The spelling of 742046 in words is "seven hundred forty-two thousand, forty-six".

Divisors: 1 2 311 622 1193 2386 371023 742046