Search a number
-
+
19962946 = 231321983
BaseRepresentation
bin100110000100…
…1110001000010
31101120020000101
41030021301002
520102303241
61551513014
7331453003
oct114116102
941506011
1019962946
11102a5503
12682876a
13419c5c3
1429191aa
151b44e31
hex1309c42

19962946 has 8 divisors (see below), whose sum is σ = 30910464. Its totient is φ = 9659460.

The previous prime is 19962937. The next prime is 19962949. The reversal of 19962946 is 64926991.

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

It is a junction number, because it is equal to n+sod(n) for n = 19962896 and 19962905.

It is not an unprimeable number, because it can be changed into a prime (19962949) 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, 160930 + ... + 161053.

It is an arithmetic number, because the mean of its divisors is an integer number (3863808).

Almost surely, 219962946 is an apocalyptic number.

19962946 is a deficient number, since it is larger than the sum of its proper divisors (10947518).

19962946 is a wasteful number, since it uses less digits than its factorization.

19962946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322016.

The product of its digits is 209952, while the sum is 46.

The square root of 19962946 is about 4467.9912712538. The cubic root of 19962946 is about 271.2740246441.

The spelling of 19962946 in words is "nineteen million, nine hundred sixty-two thousand, nine hundred forty-six".

Divisors: 1 2 31 62 321983 643966 9981473 19962946