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29840874 = 2377110007
BaseRepresentation
bin111000111010…
…1010111101010
32002011001222120
41301311113222
530114401444
62543332110
7511433430
oct161652752
962131876
1029840874
1115931988
129bb1036
13624a72b
143d6ad50
152946b19
hex1c755ea

29840874 has 32 divisors (see below), whose sum is σ = 69175296. Its totient is φ = 8405040.

The previous prime is 29840857. The next prime is 29840893. The reversal of 29840874 is 47804892.

It is a super-2 number, since 2×298408742 = 1780955522167752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2022 + ... + 7985.

It is an arithmetic number, because the mean of its divisors is an integer number (2161728).

Almost surely, 229840874 is an apocalyptic number.

29840874 is an abundant number, since it is smaller than the sum of its proper divisors (39334422).

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

29840874 is a wasteful number, since it uses less digits than its factorization.

29840874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10090.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 29840874 is about 5462.6801114471. The cubic root of 29840874 is about 310.1728969615.

The spelling of 29840874 in words is "twenty-nine million, eight hundred forty thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 71 142 213 426 497 994 1491 2982 10007 20014 30021 60042 70049 140098 210147 420294 710497 1420994 2131491 4262982 4973479 9946958 14920437 29840874