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29969260 = 2253740499
BaseRepresentation
bin111001001010…
…0101101101100
32002101121002121
41302110231230
530133004020
62550202324
7512506636
oct162245554
962347077
1029969260
1115a0a392
12a0533a4
136293cb9
143da1a56
15296ebaa
hex1c94b6c

29969260 has 24 divisors (see below), whose sum is σ = 64638000. Its totient is φ = 11663424.

The previous prime is 29969257. The next prime is 29969273. The reversal of 29969260 is 6296992.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 19510 + ... + 20989.

It is an arithmetic number, because the mean of its divisors is an integer number (2693250).

Almost surely, 229969260 is an apocalyptic number.

29969260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29969260 is an abundant number, since it is smaller than the sum of its proper divisors (34668740).

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

29969260 is a wasteful number, since it uses less digits than its factorization.

29969260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40545 (or 40543 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 29969260 is about 5474.4186906009. The cubic root of 29969260 is about 310.6170850732.

The spelling of 29969260 in words is "twenty-nine million, nine hundred sixty-nine thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 40499 80998 161996 202495 404990 809980 1498463 2996926 5993852 7492315 14984630 29969260