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340540080 = 24351418917
BaseRepresentation
bin10100010011000…
…011101010110000
3212201210020011120
4110103003222300
51144134240310
653442542240
711303354136
oct2423035260
9781706146
10340540080
11165253891
1296067980
135572340a
1433327756
151ed6ab70
hex144c3ab0

340540080 has 40 divisors (see below), whose sum is σ = 1055674992. Its totient is φ = 90810624.

The previous prime is 340540061. The next prime is 340540087. The reversal of 340540080 is 80045043.

It is a happy number.

340540080 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 340540080.

It is not an unprimeable number, because it can be changed into a prime (340540087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709219 + ... + 709698.

Almost surely, 2340540080 is an apocalyptic number.

340540080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340540080 is an abundant number, since it is smaller than the sum of its proper divisors (715134912).

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

340540080 is a wasteful number, since it uses less digits than its factorization.

340540080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418933 (or 1418927 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 340540080 is about 18453.7280786295. The cubic root of 340540080 is about 698.3225685645.

The spelling of 340540080 in words is "three hundred forty million, five hundred forty thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 1418917 2837834 4256751 5675668 7094585 8513502 11351336 14189170 17027004 21283755 22702672 28378340 34054008 42567510 56756680 68108016 85135020 113513360 170270040 340540080