Search a number
-
+
14202740 = 225977321
BaseRepresentation
bin110110001011…
…011101110100
3222201120111102
4312023131310
512113441430
61224225232
7231502256
oct66133564
928646442
1014202740
118020802
12490b218
132c337b6
141c59cd6
1513a8345
hexd8b774

14202740 has 24 divisors (see below), whose sum is σ = 30137352. Its totient is φ = 5621760.

The previous prime is 14202739. The next prime is 14202751. The reversal of 14202740 is 4720241.

It can be written as a sum of positive squares in 4 ways, for example, as 110224 + 14092516 = 332^2 + 3754^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1721 + ... + 5600.

It is an arithmetic number, because the mean of its divisors is an integer number (1255723).

Almost surely, 214202740 is an apocalyptic number.

14202740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14202740 is an abundant number, since it is smaller than the sum of its proper divisors (15934612).

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

14202740 is a wasteful number, since it uses less digits than its factorization.

14202740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7427 (or 7425 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 14202740 is about 3768.6522789984. The cubic root of 14202740 is about 242.1720653223.

Adding to 14202740 its reverse (4720241), we get a palindrome (18922981).

The spelling of 14202740 in words is "fourteen million, two hundred two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 7321 14642 29284 36605 73210 146420 710137 1420274 2840548 3550685 7101370 14202740