Search a number
-
+
53001345 = 353533423
BaseRepresentation
bin1100101000101…
…1110010000001
310200201202011210
43022023302001
5102032020340
65132000333
71212334605
oct312136201
9120652153
1053001345
1127a10771
12159000a9
13ac99557
147079505
1549be180
hex328bc81

53001345 has 8 divisors (see below), whose sum is σ = 84802176. Its totient is φ = 28267376.

The previous prime is 53001341. The next prime is 53001349. The reversal of 53001345 is 54310035.

It is an interprime number because it is at equal distance from previous prime (53001341) and next prime (53001349).

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 53001345 - 22 = 53001341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53001341) 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 7 ways as a sum of consecutive naturals, for example, 1766697 + ... + 1766726.

It is an arithmetic number, because the mean of its divisors is an integer number (10600272).

Almost surely, 253001345 is an apocalyptic number.

It is an amenable number.

53001345 is a deficient number, since it is larger than the sum of its proper divisors (31800831).

53001345 is a wasteful number, since it uses less digits than its factorization.

53001345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533431.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 53001345 is about 7280.2022636737. The cubic root of 53001345 is about 375.6317528822.

The spelling of 53001345 in words is "fifty-three million, one thousand, three hundred forty-five".

Divisors: 1 3 5 15 3533423 10600269 17667115 53001345