[go: up one dir, main page]

Search a number
-
+
53020161 = 3217438059
BaseRepresentation
bin1100101001000…
…0011000000001
310200202200222200
43022100120001
5102033121121
65132223413
71212443505
oct312203001
9120680880
1053020161
1127a23917
121590ab69
13aca4c9c
147082305
1549c4a26
hex3290601

53020161 has 24 divisors (see below), whose sum is σ = 82985760. Its totient is φ = 32489856.

The previous prime is 53020157. The next prime is 53020189. The reversal of 53020161 is 16102035.

It is not a de Polignac number, because 53020161 - 22 = 53020157 is a prime.

It is a super-2 number, since 2×530201612 = 5622274944931842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53020111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2550 + ... + 10608.

It is an arithmetic number, because the mean of its divisors is an integer number (3457740).

Almost surely, 253020161 is an apocalyptic number.

53020161 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

53020161 is a deficient number, since it is larger than the sum of its proper divisors (29965599).

53020161 is a wasteful number, since it uses less digits than its factorization.

53020161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8125 (or 8122 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 53020161 is about 7281.4944207903. The cubic root of 53020161 is about 375.6761986149.

Adding to 53020161 its reverse (16102035), we get a palindrome (69122196).

The spelling of 53020161 in words is "fifty-three million, twenty thousand, one hundred sixty-one".

Divisors: 1 3 9 17 43 51 129 153 387 731 2193 6579 8059 24177 72531 137003 346537 411009 1039611 1233027 3118833 5891129 17673387 53020161