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53233145 = 571520947
BaseRepresentation
bin1100101100010…
…0010111111001
310201011112010222
43023010113321
5102111430040
65140545425
71214321450
oct313042771
9121145128
1053233145
1128059939
12159b2275
13b04ac04
1470d9b97
154a17bb5
hex32c45f9

53233145 has 8 divisors (see below), whose sum is σ = 73005504. Its totient is φ = 36502704.

The previous prime is 53233099. The next prime is 53233153. The reversal of 53233145 is 54133235.

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

It is not a de Polignac number, because 53233145 - 210 = 53232121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760439 + ... + 760508.

It is an arithmetic number, because the mean of its divisors is an integer number (9125688).

Almost surely, 253233145 is an apocalyptic number.

It is an amenable number.

53233145 is a deficient number, since it is larger than the sum of its proper divisors (19772359).

53233145 is a wasteful number, since it uses less digits than its factorization.

53233145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520959.

The product of its digits is 5400, while the sum is 26.

The square root of 53233145 is about 7296.1047826906. The cubic root of 53233145 is about 376.1785617286.

The spelling of 53233145 in words is "fifty-three million, two hundred thirty-three thousand, one hundred forty-five".

Divisors: 1 5 7 35 1520947 7604735 10646629 53233145