Search a number
-
+
69297942 = 2372323119
BaseRepresentation
bin1000010000101…
…10011100010110
311211101200220110
410020112130112
5120220013232
610513143450
71501010550
oct410263426
9154350813
1069297942
113613162a
121b25ab86
13114840cc
1492bc4d0
15613cacc
hex4216716

69297942 has 48 divisors (see below), whose sum is σ = 165634560. Its totient is φ = 18932496.

The previous prime is 69297937. The next prime is 69297973. The reversal of 69297942 is 24979296.

It is a junction number, because it is equal to n+sod(n) for n = 69297891 and 69297900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20659 + ... + 23777.

It is an arithmetic number, because the mean of its divisors is an integer number (3450720).

Almost surely, 269297942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69297942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82817280).

69297942 is an abundant number, since it is smaller than the sum of its proper divisors (96336618).

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

69297942 is a wasteful number, since it uses less digits than its factorization.

69297942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177 (or 3154 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 69297942 is about 8324.5385457694. The cubic root of 69297942 is about 410.7460973455.

The spelling of 69297942 in words is "sixty-nine million, two hundred ninety-seven thousand, nine hundred forty-two".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 322 483 529 966 1058 1587 3119 3174 3703 6238 7406 9357 11109 18714 21833 22218 43666 65499 71737 130998 143474 215211 430422 502159 1004318 1506477 1649951 3012954 3299902 4949853 9899706 11549657 23099314 34648971 69297942