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268512396 = 223237313327
BaseRepresentation
bin10000000000010…
…010110010001100
3200201020211202120
4100000102302030
51022214344041
642351052540
76440213655
oct2000226214
9621224676
10268512396
11128628379
1275b11150
1343824999
142793852c
151888e366
hex10012c8c

268512396 has 48 divisors (see below), whose sum is σ = 662774784. Its totient is φ = 84433536.

The previous prime is 268512383. The next prime is 268512397. The reversal of 268512396 is 693215862.

It is not an unprimeable number, because it can be changed into a prime (268512397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13485 + ... + 26811.

It is an arithmetic number, because the mean of its divisors is an integer number (13807808).

Almost surely, 2268512396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268512396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331387392).

268512396 is an abundant number, since it is smaller than the sum of its proper divisors (394262388).

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

268512396 is a wasteful number, since it uses less digits than its factorization.

268512396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13430 (or 13428 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 268512396 is about 16386.3478542352. The cubic root of 268512396 is about 645.1412033863.

The spelling of 268512396 in words is "two hundred sixty-eight million, five hundred twelve thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 12 23 46 69 73 92 138 146 219 276 292 438 876 1679 3358 5037 6716 10074 13327 20148 26654 39981 53308 79962 159924 306521 613042 919563 972871 1226084 1839126 1945742 2918613 3678252 3891484 5837226 11674452 22376033 44752066 67128099 89504132 134256198 268512396