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234140917 = 2339100103
BaseRepresentation
bin11011111010010…
…11010011110101
3121022120120221211
431331023103311
5434420002132
635122241421
75542110403
oct1575132365
9538516854
10234140917
1111019159a
12664b6271
133967c02a
142314c473
1515850147
hexdf4b4f5

234140917 has 4 divisors (see below), whose sum is σ = 234243360. Its totient is φ = 234038476.

The previous prime is 234140849. The next prime is 234140941. The reversal of 234140917 is 719041432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 234140917 - 211 = 234138869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234140957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47713 + ... + 52390.

It is an arithmetic number, because the mean of its divisors is an integer number (58560840).

Almost surely, 2234140917 is an apocalyptic number.

It is an amenable number.

234140917 is a deficient number, since it is larger than the sum of its proper divisors (102443).

234140917 is a wasteful number, since it uses less digits than its factorization.

234140917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102442.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 234140917 is about 15301.6638637764. The cubic root of 234140917 is about 616.3476885841.

The spelling of 234140917 in words is "two hundred thirty-four million, one hundred forty thousand, nine hundred seventeen".

Divisors: 1 2339 100103 234140917