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28746494 = 274161821
BaseRepresentation
bin110110110101…
…0001011111110
32000002110202222
41231222023332
524324341434
62504045342
7466225010
oct155521376
960073688
1028746494
1115254737
129763852
135c5657a
143b641b0
1527cc72e
hex1b6a2fe

28746494 has 32 divisors (see below), whose sum is σ = 51371712. Its totient is φ = 11808000.

The previous prime is 28746493. The next prime is 28746499. The reversal of 28746494 is 49464782.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28746493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34604 + ... + 35424.

It is an arithmetic number, because the mean of its divisors is an integer number (1605366).

Almost surely, 228746494 is an apocalyptic number.

28746494 is a deficient number, since it is larger than the sum of its proper divisors (22625218).

28746494 is a wasteful number, since it uses less digits than its factorization.

28746494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932.

The product of its digits is 387072, while the sum is 44.

The square root of 28746494 is about 5361.5757012281. The cubic root of 28746494 is about 306.3338305007. Note that the first 3 decimals are identical.

The spelling of 28746494 in words is "twenty-eight million, seven hundred forty-six thousand, four hundred ninety-four".

Divisors: 1 2 7 14 41 61 82 122 287 427 574 821 854 1642 2501 5002 5747 11494 17507 33661 35014 50081 67322 100162 235627 350567 471254 701134 2053321 4106642 14373247 28746494