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674987041 = 3718242893
BaseRepresentation
bin101000001110110…
…111110000100001
31202001002220011001
4220032313300201
52340244041131
6150551152001
722504203151
oct5016676041
91661086131
10674987041
11317015833
1216a075601
13a9ac2321
1465906761
153e3d1261
hex283b7c21

674987041 has 4 divisors (see below), whose sum is σ = 693229972. Its totient is φ = 656744112.

The previous prime is 674986999. The next prime is 674987051. The reversal of 674987041 is 140789476.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 346108816 + 328878225 = 18604^2 + 18135^2 .

It is a cyclic number.

It is not a de Polignac number, because 674987041 - 211 = 674984993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 674986982 and 674987000.

It is not an unprimeable number, because it can be changed into a prime (674987051) 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, 9121410 + ... + 9121483.

It is an arithmetic number, because the mean of its divisors is an integer number (173307493).

Almost surely, 2674987041 is an apocalyptic number.

It is an amenable number.

674987041 is a deficient number, since it is larger than the sum of its proper divisors (18242931).

674987041 is a wasteful number, since it uses less digits than its factorization.

674987041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18242930.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 674987041 is about 25980.5127162649. The cubic root of 674987041 is about 877.1997077471.

It can be divided in two parts, 674 and 987041, that added together give a triangular number (987715 = T1405).

The spelling of 674987041 in words is "six hundred seventy-four million, nine hundred eighty-seven thousand, forty-one".

Divisors: 1 37 18242893 674987041