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761042030 = 25721553147
BaseRepresentation
bin101101010111001…
…001010001101110
31222001000221101212
4231113021101232
53024311321110
6203303434422
724600515300
oct5527112156
91861027355
10761042030
11360652161
12192a55a12
13c1892738
1473107970
1546c2de05
hex2d5c946e

761042030 has 24 divisors (see below), whose sum is σ = 1593529848. Its totient is φ = 260928528.

The previous prime is 761041991. The next prime is 761042057. The reversal of 761042030 is 30240167.

It is a junction number, because it is equal to n+sod(n) for n = 761041987 and 761042005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 776084 + ... + 777063.

It is an arithmetic number, because the mean of its divisors is an integer number (66397077).

Almost surely, 2761042030 is an apocalyptic number.

761042030 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

761042030 is an abundant number, since it is smaller than the sum of its proper divisors (832487818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

761042030 is a wasteful number, since it uses less digits than its factorization.

761042030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553168 (or 1553161 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 761042030 is about 27586.9902309041. The cubic root of 761042030 is about 912.9974139240.

Adding to 761042030 its reverse (30240167), we get a palindrome (791282197).

The spelling of 761042030 in words is "seven hundred sixty-one million, forty-two thousand, thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 1553147 3106294 7765735 10872029 15531470 21744058 54360145 76104203 108720290 152208406 380521015 761042030