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319249044 = 223212769827
BaseRepresentation
bin10011000001110…
…101101010010100
3211020201112100200
4103001311222110
51123211432134
651402340500
710624400142
oct2301655224
9736645320
10319249044
11154231594
128aaba730
13511aa47a
1430584592
151d062499
hex13075a94

319249044 has 36 divisors (see below), whose sum is σ = 813356544. Its totient is φ = 105576912.

The previous prime is 319249043. The next prime is 319249079. The reversal of 319249044 is 440942913.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319249043) 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 in 11 ways as a sum of consecutive naturals, for example, 30342 + ... + 39485.

Almost surely, 2319249044 is an apocalyptic number.

It is an amenable number.

319249044 is an abundant number, since it is smaller than the sum of its proper divisors (494107500).

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

319249044 is a wasteful number, since it uses less digits than its factorization.

319249044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69964 (or 69959 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 319249044 is about 17867.5416328044. The cubic root of 319249044 is about 683.4549109608.

The spelling of 319249044 in words is "three hundred nineteen million, two hundred forty-nine thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 127 254 381 508 762 1143 1524 2286 4572 69827 139654 209481 279308 418962 628443 837924 1256886 2513772 8868029 17736058 26604087 35472116 53208174 79812261 106416348 159624522 319249044