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53874509 = 1330713499
BaseRepresentation
bin1100110110000…
…0111101001101
310202101002221012
43031200331031
5102242441014
65202415005
71222632353
oct315407515
9122332835
1053874509
1128457797
1216061465
13b213b10
1472257d3
154ae2c3e
hex3360f4d

53874509 has 8 divisors (see below), whose sum is σ = 58212000. Its totient is φ = 49564656.

The previous prime is 53874503. The next prime is 53874517. The reversal of 53874509 is 90547835.

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 53874509 - 220 = 52825933 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 (53874503) 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, 2759 + ... + 10740.

It is an arithmetic number, because the mean of its divisors is an integer number (7276500).

Almost surely, 253874509 is an apocalyptic number.

It is an amenable number.

53874509 is a deficient number, since it is larger than the sum of its proper divisors (4337491).

53874509 is a wasteful number, since it uses less digits than its factorization.

53874509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13819.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 53874509 is about 7339.9256808227. The cubic root of 53874509 is about 377.6832938804.

The spelling of 53874509 in words is "fifty-three million, eight hundred seventy-four thousand, five hundred nine".

Divisors: 1 13 307 3991 13499 175487 4144193 53874509