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493480440 = 233251370779
BaseRepresentation
bin11101011010011…
…110100111111000
31021101120101220100
4131122132213320
52002312333230
6120544555400
715141341325
oct3532364770
91241511810
10493480440
11233614182
12119322b60
137b31177b
1449779b4c
152d4cb660
hex1d69e9f8

493480440 has 48 divisors (see below), whose sum is σ = 1603812600. Its totient is φ = 131594688.

The previous prime is 493480417. The next prime is 493480447. The reversal of 493480440 is 44084394.

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

It is a junction number, because it is equal to n+sod(n) for n = 493480395 and 493480404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493480447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 685030 + ... + 685749.

Almost surely, 2493480440 is an apocalyptic number.

493480440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

493480440 is an abundant number, since it is smaller than the sum of its proper divisors (1110332160).

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

493480440 is a wasteful number, since it uses less digits than its factorization.

493480440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370796 (or 1370789 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 493480440 is about 22214.4196413051. The cubic root of 493480440 is about 790.2357038501.

The spelling of 493480440 in words is "four hundred ninety-three million, four hundred eighty thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 1370779 2741558 4112337 5483116 6853895 8224674 10966232 12337011 13707790 16449348 20561685 24674022 27415580 32898696 41123370 49348044 54831160 61685055 82246740 98696088 123370110 164493480 246740220 493480440