Search a number
-
+
702642742 = 21720665963
BaseRepresentation
bin101001111000010…
…111101000110110
31210222010221122021
4221320113220312
52414334031432
6153420023354
723261236054
oct5170275066
91728127567
10702642742
1133069498a
12177391b5a
13b2756249
14694651d4
1541a45697
hex29e17a36

702642742 has 8 divisors (see below), whose sum is σ = 1115962056. Its totient is φ = 330655392.

The previous prime is 702642697. The next prime is 702642763. The reversal of 702642742 is 247246207.

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 20665963 = 702642742 / (7 + 0 + 2 + 6 + 4 + 2 + 7 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 702642698 and 702642707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10332948 + ... + 10333015.

It is an arithmetic number, because the mean of its divisors is an integer number (139495257).

Almost surely, 2702642742 is an apocalyptic number.

702642742 is a deficient number, since it is larger than the sum of its proper divisors (413319314).

702642742 is a wasteful number, since it uses less digits than its factorization.

702642742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20665982.

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 702642742 is about 26507.4091906395. The cubic root of 702642742 is about 889.0199800399.

Adding to 702642742 its reverse (247246207), we get a palindrome (949888949).

The spelling of 702642742 in words is "seven hundred two million, six hundred forty-two thousand, seven hundred forty-two".

Divisors: 1 2 17 34 20665963 41331926 351321371 702642742