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29702090 = 2511299311
BaseRepresentation
bin111000101001…
…1011111001010
32001220000121102
41301103133022
530100431330
62540341402
7510315005
oct161233712
961800542
1029702090
1115847690
129b44862
1361cc502
143d3253c
15291a945
hex1c537ca

29702090 has 32 divisors (see below), whose sum is σ = 60341760. Its totient is φ = 10427200.

The previous prime is 29702089. The next prime is 29702129. The reversal of 29702090 is 9020792.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1466 + ... + 7845.

It is an arithmetic number, because the mean of its divisors is an integer number (1885680).

Almost surely, 229702090 is an apocalyptic number.

29702090 is an abundant number, since it is smaller than the sum of its proper divisors (30639670).

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

29702090 is a wasteful number, since it uses less digits than its factorization.

29702090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9358.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 29702090 is about 5449.9623851913. The cubic root of 29702090 is about 309.6912986599.

The spelling of 29702090 in words is "twenty-nine million, seven hundred two thousand, ninety".

Divisors: 1 2 5 10 11 22 29 55 58 110 145 290 319 638 1595 3190 9311 18622 46555 93110 102421 204842 270019 512105 540038 1024210 1350095 2700190 2970209 5940418 14851045 29702090