Search a number
-
+
69197038 = 21719710331
BaseRepresentation
bin1000001111111…
…01110011101110
311211012120111021
410013331303232
5120203301123
610511044354
71500110431
oct407756356
9154176437
1069197038
1136072839
121b2106ba
131144a1c1
149293818
15611cc5d
hex41fdcee

69197038 has 16 divisors (see below), whose sum is σ = 110469744. Its totient is φ = 32394880.

The previous prime is 69197027. The next prime is 69197047. The reversal of 69197038 is 83079196.

It is a junction number, because it is equal to n+sod(n) for n = 69196985 and 69197003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1533 + ... + 11863.

It is an arithmetic number, because the mean of its divisors is an integer number (6904359).

Almost surely, 269197038 is an apocalyptic number.

69197038 is a deficient number, since it is larger than the sum of its proper divisors (41272706).

69197038 is a wasteful number, since it uses less digits than its factorization.

69197038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10547.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 69197038 is about 8318.4757017136. The cubic root of 69197038 is about 410.5466394895.

The spelling of 69197038 in words is "sixty-nine million, one hundred ninety-seven thousand, thirty-eight".

Divisors: 1 2 17 34 197 394 3349 6698 10331 20662 175627 351254 2035207 4070414 34598519 69197038