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240422031 = 32115123209
BaseRepresentation
bin11100101010010…
…00110010001111
3121202101201000200
432111020302033
5443022001111
635505024543
75646360603
oct1625106217
9552351020
10240422031
111137916a3
1268625153
133aa6ac75
1423d05503
1516191256
hexe548c8f

240422031 has 12 divisors (see below), whose sum is σ = 347592960. Its totient is φ = 160135200.

The previous prime is 240422027. The next prime is 240422047. The reversal of 240422031 is 130224042.

240422031 is a `hidden beast` number, since 240 + 422 + 0 + 3 + 1 = 666.

240422031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 240422031 - 22 = 240422027 is a prime.

It is a super-2 number, since 2×2404220312 = 115605505980329922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240421995 and 240422013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240422131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1246 + ... + 21963.

It is an arithmetic number, because the mean of its divisors is an integer number (28966080).

Almost surely, 2240422031 is an apocalyptic number.

240422031 is a deficient number, since it is larger than the sum of its proper divisors (107170929).

240422031 is a wasteful number, since it uses less digits than its factorization.

240422031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24366 (or 24363 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 240422031 is about 15505.5483940427. The cubic root of 240422031 is about 621.8105513406.

Adding to 240422031 its reverse (130224042), we get a palindrome (370646073).

The spelling of 240422031 in words is "two hundred forty million, four hundred twenty-two thousand, thirty-one".

Divisors: 1 3 9 1151 3453 10359 23209 69627 208881 26713559 80140677 240422031