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1024220231 = 29149923561
BaseRepresentation
bin111101000011000…
…101110001000111
32122101020210000122
4331003011301013
54044200021411
6245344332155
734244504546
oct7503056107
92571223018
101024220231
11486166901
1224701405b
1313426a498
149a05415d
155edb79db
hex3d0c5c47

1024220231 has 8 divisors (see below), whose sum is σ = 1060290000. Its totient is φ = 988200640.

The previous prime is 1024220209. The next prime is 1024220261. The reversal of 1024220231 is 1320224201.

1024220231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1024220231 - 226 = 957111367 is a prime.

It is a super-2 number, since 2×10242202312 = 2098054163179386722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024220201) 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, 31691 + ... + 55251.

It is an arithmetic number, because the mean of its divisors is an integer number (132536250).

Almost surely, 21024220231 is an apocalyptic number.

1024220231 is a deficient number, since it is larger than the sum of its proper divisors (36069769).

1024220231 is a wasteful number, since it uses less digits than its factorization.

1024220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25089.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1024220231 is about 32003.4409243756. The cubic root of 1024220231 is about 1008.0090935052.

Adding to 1024220231 its reverse (1320224201), we get a palindrome (2344444432).

The spelling of 1024220231 in words is "one billion, twenty-four million, two hundred twenty thousand, two hundred thirty-one".

Divisors: 1 29 1499 23561 43471 683269 35317939 1024220231