Search a number
-
+
268015356 = 223271063553
BaseRepresentation
bin11111111100110…
…01011011111100
3200200022120221200
433332121123330
51022102442411
642332255500
76433043610
oct1776313374
9620276850
10268015356
111283189a4
1275911590
13436ac68b
1427849340
15187e1e56
hexff996fc

268015356 has 36 divisors (see below), whose sum is σ = 774267312. Its totient is φ = 76575744.

The previous prime is 268015351. The next prime is 268015381. The reversal of 268015356 is 653510862.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 268015356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268015351) 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, 531525 + ... + 532028.

Almost surely, 2268015356 is an apocalyptic number.

It is an amenable number.

268015356 is an abundant number, since it is smaller than the sum of its proper divisors (506251956).

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

268015356 is a wasteful number, since it uses less digits than its factorization.

268015356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063570 (or 1063565 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 268015356 is about 16371.1745455236. The cubic root of 268015356 is about 644.7428865247.

The spelling of 268015356 in words is "two hundred sixty-eight million, fifteen thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 1063553 2127106 3190659 4254212 6381318 7444871 9571977 12762636 14889742 19143954 22334613 29779484 38287908 44669226 67003839 89338452 134007678 268015356