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29449428 = 2232454119
BaseRepresentation
bin111000001010…
…1110011010100
32001102012000120
41300111303110
530014340203
62531111540
7505213251
oct160256324
961365016
1029449428
1115694878
129a425b0
1361414c8
143ca8428
1528bab53
hex1c15cd4

29449428 has 12 divisors (see below), whose sum is σ = 68715360. Its totient is φ = 9816472.

The previous prime is 29449421. The next prime is 29449429. The reversal of 29449428 is 82494492.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 29449428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29449421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1227048 + ... + 1227071.

It is an arithmetic number, because the mean of its divisors is an integer number (5726280).

Almost surely, 229449428 is an apocalyptic number.

It is an amenable number.

29449428 is an abundant number, since it is smaller than the sum of its proper divisors (39265932).

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

29449428 is a wasteful number, since it uses less digits than its factorization.

29449428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454126 (or 2454124 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 29449428 is about 5426.7327186807. The cubic root of 29449428 is about 308.8106631172.

The spelling of 29449428 in words is "twenty-nine million, four hundred forty-nine thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 2454119 4908238 7362357 9816476 14724714 29449428