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253352541 = 31310164319
BaseRepresentation
bin11110001100111…
…01101001011101
3122122201122100110
433012131221131
51004324240131
641050120233
76164314101
oct1706355135
9578648313
10253352541
11120013572
1270a20079
1340647660
142590d901
1517397646
hexf19da5d

253352541 has 16 divisors (see below), whose sum is σ = 367395840. Its totient is φ = 154363200.

The previous prime is 253352537. The next prime is 253352543. The reversal of 253352541 is 145253352.

It is not a de Polignac number, because 253352541 - 22 = 253352537 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 253352499 and 253352508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253352543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28221 + ... + 36098.

It is an arithmetic number, because the mean of its divisors is an integer number (22962240).

Almost surely, 2253352541 is an apocalyptic number.

It is an amenable number.

253352541 is a deficient number, since it is larger than the sum of its proper divisors (114043299).

253352541 is a wasteful number, since it uses less digits than its factorization.

253352541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64436.

The product of its digits is 18000, while the sum is 30.

The square root of 253352541 is about 15917.0518941166. The cubic root of 253352541 is about 632.7639883934.

The spelling of 253352541 in words is "two hundred fifty-three million, three hundred fifty-two thousand, five hundred forty-one".

Divisors: 1 3 13 39 101 303 1313 3939 64319 192957 836147 2508441 6496219 19488657 84450847 253352541