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29431230 = 2352933829
BaseRepresentation
bin111000001000…
…1010110111110
32001101021001120
41300101112332
530013244410
62530451410
7505106223
oct160212676
961337046
1029431230
1115682134
129a33b66
13613613a
143ca194a
1528b5570
hex1c115be

29431230 has 32 divisors (see below), whose sum is σ = 73072800. Its totient is φ = 7577472.

The previous prime is 29431229. The next prime is 29431249. The reversal of 29431230 is 3213492.

It is a self number, because there is not a number n which added to its sum of digits gives 29431230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16045 + ... + 17784.

It is an arithmetic number, because the mean of its divisors is an integer number (2283525).

Almost surely, 229431230 is an apocalyptic number.

29431230 is an abundant number, since it is smaller than the sum of its proper divisors (43641570).

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

29431230 is a wasteful number, since it uses less digits than its factorization.

29431230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33868.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 29431230 is about 5425.0557600821. The cubic root of 29431230 is about 308.7470411186.

The spelling of 29431230 in words is "twenty-nine million, four hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 33829 67658 101487 169145 202974 338290 507435 981041 1014870 1962082 2943123 4905205 5886246 9810410 14715615 29431230