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29892642 = 23131792141
BaseRepresentation
bin111001000001…
…0000000100010
32002020200222220
41302002000202
530123031032
62544411510
7512040363
oct162020042
962220886
1029892642
111596786a
12a016b96
136268170
143d81b6a
15295712c
hex1c82022

29892642 has 32 divisors (see below), whose sum is σ = 64774080. Its totient is φ = 9142080.

The previous prime is 29892631. The next prime is 29892659. The reversal of 29892642 is 24629892.

It is a junction number, because it is equal to n+sod(n) for n = 29892594 and 29892603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12892 + ... + 15032.

It is an arithmetic number, because the mean of its divisors is an integer number (2024190).

Almost surely, 229892642 is an apocalyptic number.

29892642 is an abundant number, since it is smaller than the sum of its proper divisors (34881438).

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

29892642 is a wasteful number, since it uses less digits than its factorization.

29892642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338.

The product of its digits is 124416, while the sum is 42.

The square root of 29892642 is about 5467.4163916790. The cubic root of 29892642 is about 310.3521561684.

The spelling of 29892642 in words is "twenty-nine million, eight hundred ninety-two thousand, six hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 179 358 537 1074 2141 2327 4282 4654 6423 6981 12846 13962 27833 55666 83499 166998 383239 766478 1149717 2299434 4982107 9964214 14946321 29892642