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742133 = 7106019
BaseRepresentation
bin10110101001011110101
31101201000102
42311023311
5142222013
623523445
76210440
oct2651365
91351012
10742133
11467637
122b9585
131cca42
14154657
15e9d58
hexb52f5

742133 has 4 divisors (see below), whose sum is σ = 848160. Its totient is φ = 636108.

The previous prime is 742127. The next prime is 742151. The reversal of 742133 is 331247.

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 a cyclic number.

It is not a de Polignac number, because 742133 - 24 = 742117 is a prime.

It is a super-2 number, since 2×7421332 = 1101522779378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53003 + ... + 53016.

It is an arithmetic number, because the mean of its divisors is an integer number (212040).

2742133 is an apocalyptic number.

It is an amenable number.

742133 is a deficient number, since it is larger than the sum of its proper divisors (106027).

742133 is a wasteful number, since it uses less digits than its factorization.

742133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106026.

The product of its digits is 504, while the sum is 20.

The square root of 742133 is about 861.4714156604. The cubic root of 742133 is about 90.5372393370.

The spelling of 742133 in words is "seven hundred forty-two thousand, one hundred thirty-three".

Divisors: 1 7 106019 742133