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29609020 = 2257211493
BaseRepresentation
bin111000011110…
…0110000111100
32001201021221101
41300330300330
530034442040
62534342444
7506446450
oct160746074
961637841
1029609020
1115793771
129abaa24
13619903c
143d0a660
1528ed09a
hex1c3cc3c

29609020 has 24 divisors (see below), whose sum is σ = 71061984. Its totient is φ = 10151616.

The previous prime is 29609017. The next prime is 29609023. The reversal of 29609020 is 2090692.

It is an interprime number because it is at equal distance from previous prime (29609017) and next prime (29609023).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 29609020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29609023) by changing a digit.

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, 105607 + ... + 105886.

It is an arithmetic number, because the mean of its divisors is an integer number (2960916).

Almost surely, 229609020 is an apocalyptic number.

29609020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29609020 is an abundant number, since it is smaller than the sum of its proper divisors (41452964).

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

29609020 is a wasteful number, since it uses less digits than its factorization.

29609020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211509 (or 211507 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 29609020 is about 5441.4170948384. The cubic root of 29609020 is about 309.3674928628.

The spelling of 29609020 in words is "twenty-nine million, six hundred nine thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 211493 422986 845972 1057465 1480451 2114930 2960902 4229860 5921804 7402255 14804510 29609020