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29284428 = 22323106103
BaseRepresentation
bin110111110110…
…1100001001100
32001002210200110
41233231201030
524444100203
62523400020
7503625225
oct157554114
961083613
1029284428
1115591908
129983010
1360b4384
143c6424c
152886d03
hex1bed84c

29284428 has 24 divisors (see below), whose sum is σ = 71301888. Its totient is φ = 9336976.

The previous prime is 29284391. The next prime is 29284439. The reversal of 29284428 is 82448292.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52776 + ... + 53327.

It is an arithmetic number, because the mean of its divisors is an integer number (2970912).

Almost surely, 229284428 is an apocalyptic number.

It is an amenable number.

29284428 is an abundant number, since it is smaller than the sum of its proper divisors (42017460).

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

29284428 is a wasteful number, since it uses less digits than its factorization.

29284428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106133 (or 106131 counting only the distinct ones).

The product of its digits is 73728, while the sum is 39.

The square root of 29284428 is about 5411.5088468929. The cubic root of 29284428 is about 308.2328452344.

The spelling of 29284428 in words is "twenty-nine million, two hundred eighty-four thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 106103 212206 318309 424412 636618 1273236 2440369 4880738 7321107 9761476 14642214 29284428