Search a number
-
+
53137274 = 2172149617
BaseRepresentation
bin1100101010110…
…0111101111010
310200222122122012
43022230331322
5102100343044
65134525522
71213442111
oct312547572
9120878565
1053137274
1127aa3903
12159668a2
13b016398
1470b2c78
1549e959e
hex32acf7a

53137274 has 24 divisors (see below), whose sum is σ = 85376700. Its totient is φ = 24797696.

The previous prime is 53137267. The next prime is 53137277. The reversal of 53137274 is 47273135.

It can be written as a sum of positive squares in 6 ways, for example, as 14784025 + 38353249 = 3845^2 + 6193^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53137274.

It is not an unprimeable number, because it can be changed into a prime (53137277) 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, 85814 + ... + 86430.

Almost surely, 253137274 is an apocalyptic number.

53137274 is a deficient number, since it is larger than the sum of its proper divisors (32239426).

53137274 is a wasteful number, since it uses less digits than its factorization.

53137274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802 (or 785 counting only the distinct ones).

The product of its digits is 17640, while the sum is 32.

The square root of 53137274 is about 7289.5318093825. The cubic root of 53137274 is about 375.9525979552.

The spelling of 53137274 in words is "fifty-three million, one hundred thirty-seven thousand, two hundred seventy-four".

Divisors: 1 2 17 34 149 289 298 578 617 1234 2533 5066 10489 20978 43061 86122 91933 178313 183866 356626 1562861 3125722 26568637 53137274