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29405090 = 25111320563
BaseRepresentation
bin111000000101…
…0111110100010
32001022221012102
41300022332202
530011430330
62530130402
7504640061
oct160127642
961287172
1029405090
1115664530
129a20a02
136127280
143c961d8
1528ac945
hex1c0afa2

29405090 has 32 divisors (see below), whose sum is σ = 62185536. Its totient is φ = 9869760.

The previous prime is 29405083. The next prime is 29405093. The reversal of 29405090 is 9050492.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29405093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8852 + ... + 11711.

It is an arithmetic number, because the mean of its divisors is an integer number (1943298).

Almost surely, 229405090 is an apocalyptic number.

29405090 is an abundant number, since it is smaller than the sum of its proper divisors (32780446).

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

29405090 is a wasteful number, since it uses less digits than its factorization.

29405090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20594.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 29405090 is about 5422.6460330728. The cubic root of 29405090 is about 308.6556071983.

The spelling of 29405090 in words is "twenty-nine million, four hundred five thousand, ninety".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 20563 41126 102815 205630 226193 267319 452386 534638 1130965 1336595 2261930 2673190 2940509 5881018 14702545 29405090