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742812998 = 21291287689
BaseRepresentation
bin101100010001100…
…110110101000110
31220202201210212112
4230101212311012
53010130003443
6201413021022
724256543364
oct5421466506
91822653775
10742812998
11351331444
12188924772
13bab7c425
1470920634
154532cb18
hex2c466d46

742812998 has 8 divisors (see below), whose sum is σ = 1115086440. Its totient is φ = 371117520.

The previous prime is 742812997. The next prime is 742813013. The reversal of 742812998 is 899218247.

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

It is a super-2 number, since 2×7428129982 = 1103542299995496008, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742812997) 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, 141263 + ... + 146426.

It is an arithmetic number, because the mean of its divisors is an integer number (139385805).

Almost surely, 2742812998 is an apocalyptic number.

742812998 is a deficient number, since it is larger than the sum of its proper divisors (372273442).

742812998 is a wasteful number, since it uses less digits than its factorization.

742812998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288982.

The product of its digits is 580608, while the sum is 50.

The square root of 742812998 is about 27254.5959060119. The cubic root of 742812998 is about 905.6488323543.

The spelling of 742812998 in words is "seven hundred forty-two million, eight hundred twelve thousand, nine hundred ninety-eight".

Divisors: 1 2 1291 2582 287689 575378 371406499 742812998