Search a number
-
+
53680147 = 59909833
BaseRepresentation
bin1100110011000…
…1100000010011
310202000020022121
43030301200103
5102220231042
65154315111
71221162613
oct314614023
9122006277
1053680147
1128334764
1215b88a97
13b176501
1471b4a43
154aa5367
hex3331813

53680147 has 4 divisors (see below), whose sum is σ = 54590040. Its totient is φ = 52770256.

The previous prime is 53680129. The next prime is 53680153. The reversal of 53680147 is 74108635.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53680147 - 27 = 53680019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53680547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454858 + ... + 454975.

It is an arithmetic number, because the mean of its divisors is an integer number (13647510).

Almost surely, 253680147 is an apocalyptic number.

53680147 is a deficient number, since it is larger than the sum of its proper divisors (909893).

53680147 is an equidigital number, since it uses as much as digits as its factorization.

53680147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909892.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 53680147 is about 7326.6736654501. The cubic root of 53680147 is about 377.2285597476.

The spelling of 53680147 in words is "fifty-three million, six hundred eighty thousand, one hundred forty-seven".

Divisors: 1 59 909833 53680147