Search a number
-
+
507440053 = 2371310741
BaseRepresentation
bin11110001111101…
…110101110110101
31022100211121220001
4132033232232311
52014401040203
6122204111301
715401112031
oct3617565665
91270747801
10507440053
1124048924a
12121b35531
138118b6b3
144b5711c1
152e83791d
hex1e3eebb5

507440053 has 8 divisors (see below), whose sum is σ = 536962176. Its totient is φ = 478539600.

The previous prime is 507440047. The next prime is 507440081. The reversal of 507440053 is 350044705.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-507440053 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 (507447053) 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, 153738 + ... + 157003.

It is an arithmetic number, because the mean of its divisors is an integer number (67120272).

Almost surely, 2507440053 is an apocalyptic number.

It is an amenable number.

507440053 is a deficient number, since it is larger than the sum of its proper divisors (29522123).

507440053 is a wasteful number, since it uses less digits than its factorization.

507440053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310835.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 507440053 is about 22526.4300988861. The cubic root of 507440053 is about 797.6179418929.

Adding to 507440053 its reverse (350044705), we get a palindrome (857484758).

The spelling of 507440053 in words is "five hundred seven million, four hundred forty thousand, fifty-three".

Divisors: 1 23 71 1633 310741 7147043 22062611 507440053