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2428478 = 2132331131
BaseRepresentation
bin1001010000111000111110
311120101020122
421100320332
51110202403
6124014542
726433053
oct11207076
94511218
102428478
111409608
12991452
13670490
1447302a
1532e838
hex250e3e

2428478 has 32 divisors (see below), whose sum is σ = 4257792. Its totient is φ = 1029600.

The previous prime is 2428457. The next prime is 2428487. The reversal of 2428478 is 8748242.

2428478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18473 + ... + 18603.

It is an arithmetic number, because the mean of its divisors is an integer number (133056).

22428478 is an apocalyptic number.

2428478 is a deficient number, since it is larger than the sum of its proper divisors (1829314).

2428478 is a wasteful number, since it uses less digits than its factorization.

2428478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200.

The product of its digits is 28672, while the sum is 35.

The square root of 2428478 is about 1558.3574686188. The cubic root of 2428478 is about 134.4140678184.

The spelling of 2428478 in words is "two million, four hundred twenty-eight thousand, four hundred seventy-eight".

Divisors: 1 2 13 23 26 31 46 62 131 262 299 403 598 713 806 1426 1703 3013 3406 4061 6026 8122 9269 18538 39169 52793 78338 93403 105586 186806 1214239 2428478