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29293420 = 22513611847
BaseRepresentation
bin110111110111…
…1101101101100
32001010021000111
41233233231230
524444342140
62523505404
7503663362
oct157575554
961107014
1029293420
1115598642
129988264
1360b84b0
143c67632
1528897ea
hex1befb6c

29293420 has 48 divisors (see below), whose sum is σ = 67370688. Its totient is φ = 10632960.

The previous prime is 29293417. The next prime is 29293447. The reversal of 29293420 is 2439292.

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, 14937 + ... + 16783.

It is an arithmetic number, because the mean of its divisors is an integer number (1403556).

Almost surely, 229293420 is an apocalyptic number.

29293420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29293420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33685344).

29293420 is an abundant number, since it is smaller than the sum of its proper divisors (38077268).

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

29293420 is a wasteful number, since it uses less digits than its factorization.

29293420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 29293420 is about 5412.3396050137. The cubic root of 29293420 is about 308.2643903968.

The spelling of 29293420 in words is "twenty-nine million, two hundred ninety-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 61 65 122 130 244 260 305 610 793 1220 1586 1847 3172 3694 3965 7388 7930 9235 15860 18470 24011 36940 48022 96044 112667 120055 225334 240110 450668 480220 563335 1126670 1464671 2253340 2929342 5858684 7323355 14646710 29293420