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319419072 = 2633726407
BaseRepresentation
bin10011000010011…
…111001011000000
3211021001011121000
4103002133023000
51123232402242
651410132000
710626005640
oct2302371300
9737034530
10319419072
11154338305
128ab81000
135123998b
14305ca520
151d097a4c
hex1309f2c0

319419072 has 112 divisors (see below), whose sum is σ = 1073221120. Its totient is φ = 91259136.

The previous prime is 319419059. The next prime is 319419073. The reversal of 319419072 is 270914913.

It is a tau number, because it is divible by the number of its divisors (112).

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

It is not an unprimeable number, because it can be changed into a prime (319419073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1108 + ... + 25299.

Almost surely, 2319419072 is an apocalyptic number.

319419072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 319419072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536610560).

319419072 is an abundant number, since it is smaller than the sum of its proper divisors (753802048).

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

319419072 is a wasteful number, since it uses less digits than its factorization.

319419072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26435 (or 26419 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 319419072 is about 17872.2990127180. The cubic root of 319419072 is about 683.5762225720.

The spelling of 319419072 in words is "three hundred nineteen million, four hundred nineteen thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 84 96 108 112 126 144 168 189 192 216 224 252 288 336 378 432 448 504 576 672 756 864 1008 1344 1512 1728 2016 3024 4032 6048 12096 26407 52814 79221 105628 158442 184849 211256 237663 316884 369698 422512 475326 554547 633768 712989 739396 845024 950652 1109094 1267536 1425978 1478792 1663641 1690048 1901304 2218188 2535072 2851956 2957584 3327282 3802608 4436376 4990923 5070144 5703912 5915168 6654564 7605216 8872752 9981846 11407824 11830336 13309128 15210432 17745504 19963692 22815648 26618256 35491008 39927384 45631296 53236512 79854768 106473024 159709536 319419072