Search a number
-
+
236030146 = 21147673407
BaseRepresentation
bin11100001000110…
…00100011000010
3121110010120111021
432010120203002
5440410431041
635230540054
75564136352
oct1604304302
9543116437
10236030146
11111261a40
126706762a
1339b90c11
14234c0b62
1515ac4cd1
hexe1188c2

236030146 has 32 divisors (see below), whose sum is σ = 400453632. Its totient is φ = 103406160.

The previous prime is 236030143. The next prime is 236030161. The reversal of 236030146 is 641030632.

It is a self number, because there is not a number n which added to its sum of digits gives 236030146.

It is not an unprimeable number, because it can be changed into a prime (236030143) 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, 67575 + ... + 70981.

It is an arithmetic number, because the mean of its divisors is an integer number (12514176).

Almost surely, 2236030146 is an apocalyptic number.

236030146 is a deficient number, since it is larger than the sum of its proper divisors (164423486).

236030146 is a wasteful number, since it uses less digits than its factorization.

236030146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 236030146 is about 15363.2726331339. The cubic root of 236030146 is about 618.0009722687. Note that the first 3 decimals are identical.

Adding to 236030146 its reverse (641030632), we get a palindrome (877060778).

The spelling of 236030146 in words is "two hundred thirty-six million, thirty thousand, one hundred forty-six".

Divisors: 1 2 11 22 47 67 94 134 517 737 1034 1474 3149 3407 6298 6814 34639 37477 69278 74954 160129 228269 320258 456538 1761419 2510959 3522838 5021918 10728643 21457286 118015073 236030146