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29923072 = 28179653
BaseRepresentation
bin111001000100…
…1011100000000
32002022020201221
41302021130000
530130014242
62545204424
7512225164
oct162113400
962266657
1029923072
1115988713
12a030714
136278c7a
143d8cca4
152961167
hex1c89700

29923072 has 36 divisors (see below), whose sum is σ = 60154920. Its totient is φ = 14855168.

The previous prime is 29923063. The next prime is 29923073. The reversal of 29923072 is 27032992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29923073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45498 + ... + 46150.

It is an arithmetic number, because the mean of its divisors is an integer number (1670970).

Almost surely, 229923072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29923072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30077460).

29923072 is an abundant number, since it is smaller than the sum of its proper divisors (30231848).

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

29923072 is an equidigital number, since it uses as much as digits as its factorization.

29923072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 29923072 is about 5470.1985338743. The cubic root of 29923072 is about 310.4574308301.

The spelling of 29923072 in words is "twenty-nine million, nine hundred twenty-three thousand, seventy-two".

Divisors: 1 2 4 8 16 32 64 128 179 256 358 653 716 1306 1432 2612 2864 5224 5728 10448 11456 20896 22912 41792 45824 83584 116887 167168 233774 467548 935096 1870192 3740384 7480768 14961536 29923072