Search a number
-
+
52307457 = 3151115469
BaseRepresentation
bin1100011110001…
…0011000000001
310122102111100020
43013202120001
5101342314312
65105044053
71203414606
oct307423001
9118374306
1052307457
1127587404
1215626629
13aab5777
146d386ad
1548d378c
hex31e2601

52307457 has 8 divisors (see below), whose sum is σ = 70205760. Its totient is φ = 34640400.

The previous prime is 52307443. The next prime is 52307461. The reversal of 52307457 is 75470325.

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

It is not a de Polignac number, because 52307457 - 24 = 52307441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52307557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57282 + ... + 58187.

It is an arithmetic number, because the mean of its divisors is an integer number (8775720).

Almost surely, 252307457 is an apocalyptic number.

It is an amenable number.

52307457 is a deficient number, since it is larger than the sum of its proper divisors (17898303).

52307457 is a wasteful number, since it uses less digits than its factorization.

52307457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115623.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 52307457 is about 7232.3894391826. The cubic root of 52307457 is about 373.9853030724.

The spelling of 52307457 in words is "fifty-two million, three hundred seven thousand, four hundred fifty-seven".

Divisors: 1 3 151 453 115469 346407 17435819 52307457