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29288916 = 22326712143
BaseRepresentation
bin110111110111…
…0100111010100
32001010000211200
41233232213110
524444221131
62523432500
7503644266
oct157564724
961100750
1029288916
1115595218
129985730
1360b6427
143c65b36
1528882e6
hex1bee9d4

29288916 has 36 divisors (see below), whose sum is σ = 75147072. Its totient is φ = 9616464.

The previous prime is 29288887. The next prime is 29288923. The reversal of 29288916 is 61988292.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3660 + ... + 8483.

Almost surely, 229288916 is an apocalyptic number.

It is an amenable number.

29288916 is an abundant number, since it is smaller than the sum of its proper divisors (45858156).

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

29288916 is a wasteful number, since it uses less digits than its factorization.

29288916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12220 (or 12215 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 29288916 is about 5411.9235027853. The cubic root of 29288916 is about 308.2485905576.

The spelling of 29288916 in words is "twenty-nine million, two hundred eighty-eight thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 67 134 201 268 402 603 804 1206 2412 12143 24286 36429 48572 72858 109287 145716 218574 437148 813581 1627162 2440743 3254324 4881486 7322229 9762972 14644458 29288916