Search a number
-
+
19300144 = 241206259
BaseRepresentation
bin100100110011…
…1111100110000
31100022112211011
41021213330300
514420101034
61525400304
7323022433
oct111477460
940275734
1019300144
11a992536
126569094
133cc9a06
1427c581a
151a63864
hex1267f30

19300144 has 10 divisors (see below), whose sum is σ = 37394060. Its totient is φ = 9650064.

The previous prime is 19300129. The next prime is 19300147. The reversal of 19300144 is 44100391.

It is not an unprimeable number, because it can be changed into a prime (19300147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603114 + ... + 603145.

It is an arithmetic number, because the mean of its divisors is an integer number (3739406).

Almost surely, 219300144 is an apocalyptic number.

It is an amenable number.

19300144 is a deficient number, since it is larger than the sum of its proper divisors (18093916).

19300144 is a wasteful number, since it uses less digits than its factorization.

19300144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206267 (or 1206261 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 19300144 is about 4393.1929163195. The cubic root of 19300144 is about 268.2379263799.

The spelling of 19300144 in words is "nineteen million, three hundred thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 1206259 2412518 4825036 9650072 19300144