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29922100 = 22521323017
BaseRepresentation
bin111001000100…
…1001100110100
32002022012101221
41302021030310
530130001400
62545200124
7512222305
oct162111464
962265357
1029922100
1115987a0a
12a030044
1362786b0
143d8c7ac
152960c1a
hex1c89334

29922100 has 36 divisors (see below), whose sum is σ = 69928684. Its totient is φ = 11047680.

The previous prime is 29922077. The next prime is 29922107. The reversal of 29922100 is 122992.

It can be written as a sum of positive squares in 6 ways, for example, as 3006756 + 26915344 = 1734^2 + 5188^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29922107) by changing a digit.

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, 10209 + ... + 12808.

Almost surely, 229922100 is an apocalyptic number.

29922100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29922100 is an abundant number, since it is smaller than the sum of its proper divisors (40006584).

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

29922100 is a wasteful number, since it uses less digits than its factorization.

29922100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23044 (or 23037 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 29922100 is about 5470.1096881141. The cubic root of 29922100 is about 310.4540692336.

The spelling of 29922100 in words is "twenty-nine million, nine hundred twenty-two thousand, one hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 23017 46034 92068 115085 230170 299221 460340 575425 598442 1150850 1196884 1496105 2301700 2992210 5984420 7480525 14961050 29922100