Search a number
-
+
801512307 = 3329685641
BaseRepresentation
bin101111110001100…
…001101101110011
32001212012001012000
4233301201231303
53120141343212
6211311105043
725601512401
oct5761415563
92055161160
10801512307
11381484072
121a4512183
13ca09234b
1478640471
154a5751dc
hex2fc61b73

801512307 has 8 divisors (see below), whose sum is σ = 1187425680. Its totient is φ = 534341520.

The previous prime is 801512297. The next prime is 801512323. The reversal of 801512307 is 703215108.

It is not a de Polignac number, because 801512307 - 220 = 800463731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 29685641 = 801512307 / (8 + 0 + 1 + 5 + 1 + 2 + 3 + 0 + 7).

It is not an unprimeable number, because it can be changed into a prime (801592307) 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, 14842794 + ... + 14842847.

It is an arithmetic number, because the mean of its divisors is an integer number (148428210).

Almost surely, 2801512307 is an apocalyptic number.

801512307 is a deficient number, since it is larger than the sum of its proper divisors (385913373).

801512307 is a wasteful number, since it uses less digits than its factorization.

801512307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29685650 (or 29685644 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 801512307 is about 28310.9926883534. The cubic root of 801512307 is about 928.9023574506.

The spelling of 801512307 in words is "eight hundred one million, five hundred twelve thousand, three hundred seven".

Divisors: 1 3 9 27 29685641 89056923 267170769 801512307