Search a number
-
+
69868983 = 323289661
BaseRepresentation
bin1000010101000…
…01110110110111
311212110201020010
410022201312313
5120341301413
610533311303
71505606442
oct412416667
9155421203
1069868983
1136491668
121b495533
1311623cc2
1493ca659
156201dc3
hex42a1db7

69868983 has 4 divisors (see below), whose sum is σ = 93158648. Its totient is φ = 46579320.

The previous prime is 69868969. The next prime is 69868993. The reversal of 69868983 is 38986896.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 69868983 - 25 = 69868951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69868993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11644828 + ... + 11644833.

It is an arithmetic number, because the mean of its divisors is an integer number (23289662).

Almost surely, 269868983 is an apocalyptic number.

69868983 is a deficient number, since it is larger than the sum of its proper divisors (23289665).

69868983 is a wasteful number, since it uses less digits than its factorization.

69868983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23289664.

The product of its digits is 4478976, while the sum is 57.

The square root of 69868983 is about 8358.7668348866. The cubic root of 69868983 is about 411.8712463324.

The spelling of 69868983 in words is "sixty-nine million, eight hundred sixty-eight thousand, nine hundred eighty-three".

Divisors: 1 3 23289661 69868983