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29155072 = 28611867
BaseRepresentation
bin110111100110…
…1111100000000
32000212020020111
41233031330000
524430430242
62520521104
7502546132
oct157157400
960766214
1029155072
1115503701
129920194
13606a52b
143c2d052
15285d817
hex1bcdf00

29155072 has 36 divisors (see below), whose sum is σ = 59181976. Its totient is φ = 14330880.

The previous prime is 29155069. The next prime is 29155103. The reversal of 29155072 is 27055192.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 14683 + ... + 16549.

Almost surely, 229155072 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 29155072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29590988).

29155072 is an abundant number, since it is smaller than the sum of its proper divisors (30026904).

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

29155072 is an equidigital number, since it uses as much as digits as its factorization.

29155072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944 (or 1930 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 29155072 is about 5399.5436844237. The cubic root of 29155072 is about 307.7783304096.

The spelling of 29155072 in words is "twenty-nine million, one hundred fifty-five thousand, seventy-two".

Divisors: 1 2 4 8 16 32 61 64 122 128 244 256 488 976 1867 1952 3734 3904 7468 7808 14936 15616 29872 59744 113887 119488 227774 238976 455548 477952 911096 1822192 3644384 7288768 14577536 29155072