Search a number
-
+
53022145 = 511964039
BaseRepresentation
bin1100101001000…
…0110111000001
310200202210201011
43022100313001
5102033202040
65132240521
71212452341
oct312206701
9120683634
1053022145
1127a25360
1215910141
13aca5b67
147082d21
1549c53ea
hex3290dc1

53022145 has 8 divisors (see below), whose sum is σ = 69410880. Its totient is φ = 38561520.

The previous prime is 53022131. The next prime is 53022181. The reversal of 53022145 is 54122035.

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

It is not a de Polignac number, because 53022145 - 25 = 53022113 is a prime.

It is a super-2 number, since 2×530221452 = 5622695720802050, which contains 22 as substring.

It is an unprimeable number.

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, 481965 + ... + 482074.

It is an arithmetic number, because the mean of its divisors is an integer number (8676360).

Almost surely, 253022145 is an apocalyptic number.

53022145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53022145 is a deficient number, since it is larger than the sum of its proper divisors (16388735).

53022145 is a wasteful number, since it uses less digits than its factorization.

53022145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964055.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 53022145 is about 7281.6306552859. The cubic root of 53022145 is about 375.6808844569.

It can be divided in two parts, 5302 and 2145, that added together give a palindrome (7447).

The spelling of 53022145 in words is "fifty-three million, twenty-two thousand, one hundred forty-five".

Divisors: 1 5 11 55 964039 4820195 10604429 53022145