Search a number
-
+
69290007 = 323243661
BaseRepresentation
bin1000010000101…
…00100000010111
311211101022000120
410020110200113
5120214240012
610513043023
71500645453
oct410244027
9154338016
1069290007
1136126676
121b256473
1311480607
1492b9663
15613a58c
hex4214817

69290007 has 12 divisors (see below), whose sum is σ = 96580344. Its totient is φ = 44183920.

The previous prime is 69289963. The next prime is 69290029. The reversal of 69290007 is 70009296.

It is not a de Polignac number, because 69290007 - 27 = 69289879 is a prime.

It is a super-2 number, since 2×692900072 = 9602210140120098, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 69290007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69290047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20244 + ... + 23417.

It is an arithmetic number, because the mean of its divisors is an integer number (8048362).

Almost surely, 269290007 is an apocalyptic number.

69290007 is a deficient number, since it is larger than the sum of its proper divisors (27290337).

69290007 is a wasteful number, since it uses less digits than its factorization.

69290007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43710 (or 43687 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 69290007 is about 8324.0619291305. The cubic root of 69290007 is about 410.7304191758.

The spelling of 69290007 in words is "sixty-nine million, two hundred ninety thousand, seven".

Divisors: 1 3 23 69 529 1587 43661 130983 1004203 3012609 23096669 69290007