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1393194480 = 243510356359
BaseRepresentation
bin101001100001010…
…0111010111110000
310121002112121112120
41103002213113300
510323124210410
6350124554240
746344646326
oct12302472760
93532477476
101393194480
116554706a7
1232a6b2980
13192837c42
14d305dd16
158249d570
hex530a75f0

1393194480 has 80 divisors (see below), whose sum is σ = 4360911360. Its totient is φ = 367905024.

The previous prime is 1393194461. The next prime is 1393194493. The reversal of 1393194480 is 844913931.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3460 + ... + 52899.

It is an arithmetic number, because the mean of its divisors is an integer number (54511392).

Almost surely, 21393194480 is an apocalyptic number.

1393194480 is a gapful number since it is divisible by the number (10) 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 1393194480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2180455680).

1393194480 is an abundant number, since it is smaller than the sum of its proper divisors (2967716880).

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

1393194480 is a wasteful number, since it uses less digits than its factorization.

1393194480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56478 (or 56472 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 1393194480 is about 37325.5204920173. The cubic root of 1393194480 is about 1116.8733159792.

The spelling of 1393194480 in words is "one billion, three hundred ninety-three million, one hundred ninety-four thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 103 120 206 240 309 412 515 618 824 1030 1236 1545 1648 2060 2472 3090 4120 4944 6180 8240 12360 24720 56359 112718 169077 225436 281795 338154 450872 563590 676308 845385 901744 1127180 1352616 1690770 2254360 2705232 3381540 4508720 5804977 6763080 11609954 13526160 17414931 23219908 29024885 34829862 46439816 58049770 69659724 87074655 92879632 116099540 139319448 174149310 232199080 278638896 348298620 464398160 696597240 1393194480