Search a number
-
+
53140951 = 139443863
BaseRepresentation
bin1100101010110…
…1110111010111
310200222211200101
43022231313113
5102101002301
65134554531
71213455613
oct312556727
9120884611
1053140951
1127aa6646
1215968a47
13b017c66
1470b4343
1549ea701
hex32addd7

53140951 has 8 divisors (see below), whose sum is σ = 53706240. Its totient is φ = 52578552.

The previous prime is 53140939. The next prime is 53140957. The reversal of 53140951 is 15904135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53140951 - 211 = 53138903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53140957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61146 + ... + 62008.

It is an arithmetic number, because the mean of its divisors is an integer number (6713280).

Almost surely, 253140951 is an apocalyptic number.

53140951 is a deficient number, since it is larger than the sum of its proper divisors (565289).

53140951 is a wasteful number, since it uses less digits than its factorization.

53140951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 53140951 is about 7289.7840160049. The cubic root of 53140951 is about 375.9612694941.

The spelling of 53140951 in words is "fifty-three million, one hundred forty thousand, nine hundred fifty-one".

Divisors: 1 139 443 863 61577 119957 382309 53140951