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742031 is a prime number
BaseRepresentation
bin10110101001010001111
31101200212122
42311022033
5142221111
623523155
76210233
oct2651217
91350778
10742031
11467554
122b94bb
131cc994
141545c3
15e9cdb
hexb528f

742031 has 2 divisors, whose sum is σ = 742032. Its totient is φ = 742030.

The previous prime is 742009. The next prime is 742037. The reversal of 742031 is 130247.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 742031 - 26 = 741967 is a prime.

It is a super-2 number, since 2×7420312 = 1101220009922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742037) 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 as a sum of consecutive naturals, namely, 371015 + 371016.

It is an arithmetic number, because the mean of its divisors is an integer number (371016).

2742031 is an apocalyptic number.

742031 is a deficient number, since it is larger than the sum of its proper divisors (1).

742031 is an equidigital number, since it uses as much as digits as its factorization.

742031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 742031 is about 861.4122125905. The cubic root of 742031 is about 90.5330912838.

Adding to 742031 its reverse (130247), we get a palindrome (872278).

The spelling of 742031 in words is "seven hundred forty-two thousand, thirty-one".