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274887420 = 223517232659
BaseRepresentation
bin10000011000100…
…111001011111100
3201011020201122120
4100120213023330
51030332344140
643135442540
76545335023
oct2030471374
9634221576
10274887420
11131191a95
1278086450
1344c475a2
14287178ba
15191ed1d0
hex106272fc

274887420 has 48 divisors (see below), whose sum is σ = 770421120. Its totient is φ = 73233216.

The previous prime is 274887409. The next prime is 274887439. The reversal of 274887420 is 24788472.

274887420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 102051 + ... + 104709.

It is an arithmetic number, because the mean of its divisors is an integer number (16050440).

Almost surely, 2274887420 is an apocalyptic number.

274887420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274887420 is an abundant number, since it is smaller than the sum of its proper divisors (495533700).

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

274887420 is a wasteful number, since it uses less digits than its factorization.

274887420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394 (or 4392 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 42.

The square root of 274887420 is about 16579.7291895857. The cubic root of 274887420 is about 650.2069715649.

The spelling of 274887420 in words is "two hundred seventy-four million, eight hundred eighty-seven thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1723 2659 3446 5169 5318 6892 7977 8615 10338 10636 13295 15954 17230 20676 25845 26590 31908 34460 39885 51690 53180 79770 103380 159540 4581457 9162914 13744371 18325828 22907285 27488742 45814570 54977484 68721855 91629140 137443710 274887420