Search a number
-
+
3147430 = 2511133171
BaseRepresentation
bin1100000000011010100110
312220220110111
430000122212
51301204210
6151243234
735516116
oct14003246
95826414
103147430
11185a790
12107951a
138627b0
145bd046
1542288a
hex3006a6

3147430 has 64 divisors (see below), whose sum is σ = 6967296. Its totient is φ = 1008000.

The previous prime is 3147427. The next prime is 3147433. The reversal of 3147430 is 347413.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3147427) and next prime (3147433).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3147433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44295 + ... + 44365.

It is an arithmetic number, because the mean of its divisors is an integer number (108864).

Almost surely, 23147430 is an apocalyptic number.

3147430 is an abundant number, since it is smaller than the sum of its proper divisors (3819866).

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

3147430 is a wasteful number, since it uses less digits than its factorization.

3147430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 3147430 is about 1774.0997717152. The cubic root of 3147430 is about 146.5498438418.

It can be divided in two parts, 314 and 7430, that added together give a square (7744 = 882).

The spelling of 3147430 in words is "three million, one hundred forty-seven thousand, four hundred thirty".

Divisors: 1 2 5 10 11 13 22 26 31 55 62 65 71 110 130 142 143 155 286 310 341 355 403 682 710 715 781 806 923 1430 1562 1705 1846 2015 2201 3410 3905 4030 4402 4433 4615 7810 8866 9230 10153 11005 20306 22010 22165 24211 28613 44330 48422 50765 57226 101530 121055 143065 242110 286130 314743 629486 1573715 3147430