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2874728 = 232271583
BaseRepresentation
bin1010111101110101101000
312102001101102
422331311220
51213442403
6141340532
733302063
oct12756550
95361342
102874728
11169390a
12b67748
1379862c
1454b8da
153bbb88
hex2bdd68

2874728 has 16 divisors (see below), whose sum is σ = 5417280. Its totient is φ = 1430128.

The previous prime is 2874727. The next prime is 2874733. The reversal of 2874728 is 8274782.

It is a super-2 number, since 2×28747282 = 16528122147968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2874691 and 2874700.

It is not an unprimeable number, because it can be changed into a prime (2874721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025 + ... + 2607.

It is an arithmetic number, because the mean of its divisors is an integer number (338580).

22874728 is an apocalyptic number.

It is an amenable number.

2874728 is a deficient number, since it is larger than the sum of its proper divisors (2542552).

2874728 is a wasteful number, since it uses less digits than its factorization.

2874728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816 (or 1812 counting only the distinct ones).

The product of its digits is 50176, while the sum is 38.

The square root of 2874728 is about 1695.5022854600. The cubic root of 2874728 is about 142.1888646087.

The spelling of 2874728 in words is "two million, eight hundred seventy-four thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 227 454 908 1583 1816 3166 6332 12664 359341 718682 1437364 2874728