Search a number
-
+
53407302 = 23131740277
BaseRepresentation
bin1100101110111…
…0111001000110
310201111101001020
43023232321012
5102133013202
65144412010
71215645264
oct313567106
9121441036
1053407302
1128168773
1215a77006
13b0ac270
147143434
154a4e5bc
hex32eee46

53407302 has 32 divisors (see below), whose sum is σ = 121800672. Its totient is φ = 15465984.

The previous prime is 53407267. The next prime is 53407307. The reversal of 53407302 is 20370435.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53407307) 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, 18813 + ... + 21464.

It is an arithmetic number, because the mean of its divisors is an integer number (3806271).

Almost surely, 253407302 is an apocalyptic number.

53407302 is an abundant number, since it is smaller than the sum of its proper divisors (68393370).

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

53407302 is a wasteful number, since it uses less digits than its factorization.

53407302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40312.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 53407302 is about 7308.0299670978. The cubic root of 53407302 is about 376.5883491160.

Adding to 53407302 its reverse (20370435), we get a palindrome (73777737).

The spelling of 53407302 in words is "fifty-three million, four hundred seven thousand, three hundred two".

Divisors: 1 2 3 6 13 17 26 34 39 51 78 102 221 442 663 1326 40277 80554 120831 241662 523601 684709 1047202 1369418 1570803 2054127 3141606 4108254 8901217 17802434 26703651 53407302