Search a number
-
+
19164330 = 233570979
BaseRepresentation
bin100100100011…
…0110010101010
31100001122112000
41021012302222
514401224310
61522431430
7321615453
oct111066252
940048460
1019164330
11a8aa499
126502576
133c7cc53
14278c12a
151a384c0
hex1246caa

19164330 has 32 divisors (see below), whose sum is σ = 51105600. Its totient is φ = 5110416.

The previous prime is 19164329. The next prime is 19164337. The reversal of 19164330 is 3346191.

19164330 is a `hidden beast` number, since 19 + 1 + 643 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 19164294 and 19164303.

It is not an unprimeable number, because it can be changed into a prime (19164337) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 35220 + ... + 35759.

It is an arithmetic number, because the mean of its divisors is an integer number (1597050).

Almost surely, 219164330 is an apocalyptic number.

19164330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19164330 is an abundant number, since it is smaller than the sum of its proper divisors (31941270).

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

19164330 is a wasteful number, since it uses less digits than its factorization.

19164330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70995 (or 70989 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 19164330 is about 4377.7083045813. The cubic root of 19164330 is about 267.6072531164.

The spelling of 19164330 in words is "nineteen million, one hundred sixty-four thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 70979 141958 212937 354895 425874 638811 709790 1064685 1277622 1916433 2129370 3194055 3832866 6388110 9582165 19164330