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29830392 = 2332414311
BaseRepresentation
bin111000111001…
…0110011111000
32002010112121100
41301302303320
530114033032
62543211400
7511361034
oct161626370
962115540
1029830392
1115925019
129ba6b60
136245a27
143d671c4
15294397c
hex1c72cf8

29830392 has 24 divisors (see below), whose sum is σ = 80790840. Its totient is φ = 9943440.

The previous prime is 29830369. The next prime is 29830417. The reversal of 29830392 is 29303892.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 207084 + ... + 207227.

It is an arithmetic number, because the mean of its divisors is an integer number (3366285).

Almost surely, 229830392 is an apocalyptic number.

It is an amenable number.

29830392 is an abundant number, since it is smaller than the sum of its proper divisors (50960448).

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

29830392 is a wasteful number, since it uses less digits than its factorization.

29830392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414323 (or 414316 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 29830392 is about 5461.7206080136. The cubic root of 29830392 is about 310.1365752700.

The spelling of 29830392 in words is "twenty-nine million, eight hundred thirty thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 414311 828622 1242933 1657244 2485866 3314488 3728799 4971732 7457598 9943464 14915196 29830392