Search a number
-
+
788007041 = 7316976361
BaseRepresentation
bin101110111110000…
…000100010000001
32000220202220102222
4232332000202001
53103212211131
6210105420425
725345643423
oct5676004201
92026686388
10788007041
1137489a398
1219ba9a715
13c7344173
1476926813
15492a887b
hex2ef80881

788007041 has 8 divisors (see below), whose sum is σ = 799398024. Its totient is φ = 776632320.

The previous prime is 788006993. The next prime is 788007043. The reversal of 788007041 is 140700887.

It can be written as a sum of positive squares in 4 ways, for example, as 243484816 + 544522225 = 15604^2 + 23335^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 788007041 - 26 = 788006977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 788006992 and 788007010.

It is not an unprimeable number, because it can be changed into a prime (788007043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120701 + ... + 127061.

It is an arithmetic number, because the mean of its divisors is an integer number (99924753).

Almost surely, 2788007041 is an apocalyptic number.

It is an amenable number.

788007041 is a deficient number, since it is larger than the sum of its proper divisors (11390983).

788007041 is a wasteful number, since it uses less digits than its factorization.

788007041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8131.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 788007041 is about 28071.4631075760. The cubic root of 788007041 is about 923.6555256133.

The spelling of 788007041 in words is "seven hundred eighty-eight million, seven thousand, forty-one".

Divisors: 1 73 1697 6361 123881 464353 10794617 788007041