Search a number
-
+
293240090 = 251113205063
BaseRepresentation
bin10001011110100…
…111110100011010
3202102210010210002
4101132213310122
51100032140330
645033053002
710160333243
oct2136476432
9672703702
10293240090
11140587690
1282257162
13489a1c60
142ad33cca
151ab25e45
hex117a7d1a

293240090 has 32 divisors (see below), whose sum is σ = 620113536. Its totient is φ = 98429760.

The previous prime is 293240081. The next prime is 293240111. The reversal of 293240090 is 90042392.

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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101102 + ... + 103961.

It is an arithmetic number, because the mean of its divisors is an integer number (19378548).

Almost surely, 2293240090 is an apocalyptic number.

293240090 is an abundant number, since it is smaller than the sum of its proper divisors (326873446).

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

293240090 is a wasteful number, since it uses less digits than its factorization.

293240090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205094.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 293240090 is about 17124.2544363251. The cubic root of 293240090 is about 664.3665855107.

The spelling of 293240090 in words is "two hundred ninety-three million, two hundred forty thousand, ninety".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 205063 410126 1025315 2050630 2255693 2665819 4511386 5331638 11278465 13329095 22556930 26658190 29324009 58648018 146620045 293240090