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232113240 = 233251722397
BaseRepresentation
bin11011101010111…
…00010001011000
3121011202120111200
431311130101120
5433410110430
635010554200
75515633662
oct1565342130
9534676450
10232113240
1110a027127
1265898960
133911c118
1422b81532
151559e460
hexdd5c458

232113240 has 288 divisors, whose sum is σ = 844814880. Its totient is φ = 55148544.

The previous prime is 232113229. The next prime is 232113241. The reversal of 232113240 is 42311232.

232113240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232113241) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2392872 + ... + 2392968.

It is an arithmetic number, because the mean of its divisors is an integer number (2933385).

Almost surely, 2232113240 is an apocalyptic number.

232113240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232113240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422407440).

232113240 is an abundant number, since it is smaller than the sum of its proper divisors (612701640).

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

232113240 is a wasteful number, since it uses less digits than its factorization.

232113240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 232113240 is about 15235.2630433478. The cubic root of 232113240 is about 614.5633227715.

Adding to 232113240 its reverse (42311232), we get a palindrome (274424472).

The spelling of 232113240 in words is "two hundred thirty-two million, one hundred thirteen thousand, two hundred forty".