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234201021 = 3611279787
BaseRepresentation
bin11011111010110…
…01111110111101
3121022200122101220
431331121332331
5434423413041
635123423553
75542450545
oct1575317675
9538618356
10234201021
1111022276a
1266524bb9
13396a04b2
1423166325
1515862d66
hexdf59fbd

234201021 has 8 divisors (see below), whose sum is σ = 317387424. Its totient is φ = 153574320.

The previous prime is 234200983. The next prime is 234201029. The reversal of 234201021 is 120102432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 234201021 - 26 = 234200957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234201029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639711 + ... + 640076.

It is an arithmetic number, because the mean of its divisors is an integer number (39673428).

Almost surely, 2234201021 is an apocalyptic number.

It is an amenable number.

234201021 is a deficient number, since it is larger than the sum of its proper divisors (83186403).

234201021 is a wasteful number, since it uses less digits than its factorization.

234201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279851.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 234201021 is about 15303.6277071811. The cubic root of 234201021 is about 616.4004229127.

Adding to 234201021 its reverse (120102432), we get a palindrome (354303453).

The spelling of 234201021 in words is "two hundred thirty-four million, two hundred one thousand, twenty-one".

Divisors: 1 3 61 183 1279787 3839361 78067007 234201021