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29383740 = 22325163243
BaseRepresentation
bin111000000010…
…1110000111100
32001021211220200
41300011300330
530010234430
62525443500
7504520611
oct160056074
961254820
1029383740
111564a491
129a10590
13611a639
143c8c508
1528a6460
hex1c05c3c

29383740 has 36 divisors (see below), whose sum is σ = 89131224. Its totient is φ = 7835616.

The previous prime is 29383727. The next prime is 29383759. The reversal of 29383740 is 4738392.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 29383695 and 29383704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81442 + ... + 81801.

Almost surely, 229383740 is an apocalyptic number.

29383740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29383740 is an abundant number, since it is smaller than the sum of its proper divisors (59747484).

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

29383740 is a wasteful number, since it uses less digits than its factorization.

29383740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163258 (or 163253 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 29383740 is about 5420.6770794800. The cubic root of 29383740 is about 308.5808877906.

The spelling of 29383740 in words is "twenty-nine million, three hundred eighty-three thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 163243 326486 489729 652972 816215 979458 1469187 1632430 1958916 2448645 2938374 3264860 4897290 5876748 7345935 9794580 14691870 29383740