Search a number
-
+
16770939 = 319294227
BaseRepresentation
bin111111111110…
…011101111011
31011120001101220
4333332131323
513243132224
61355243123
7262356603
oct77763573
934501356
1016770939
119515289
1257494a3
133622743
142327c03
151714279
hexffe77b

16770939 has 8 divisors (see below), whose sum is σ = 23538240. Its totient is φ = 10592136.

The previous prime is 16770937. The next prime is 16770967. The reversal of 16770939 is 93907761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16770939 - 21 = 16770937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16770939.

It is not an unprimeable number, because it can be changed into a prime (16770931) 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, 147057 + ... + 147170.

It is an arithmetic number, because the mean of its divisors is an integer number (2942280).

Almost surely, 216770939 is an apocalyptic number.

16770939 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16770939 is a deficient number, since it is larger than the sum of its proper divisors (6767301).

16770939 is a wasteful number, since it uses less digits than its factorization.

16770939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294249.

The product of its (nonzero) digits is 71442, while the sum is 42.

The square root of 16770939 is about 4095.2336929655. The cubic root of 16770939 is about 255.9680695446.

The spelling of 16770939 in words is "sixteen million, seven hundred seventy thousand, nine hundred thirty-nine".

Divisors: 1 3 19 57 294227 882681 5590313 16770939