Search a number
-
+
53708361 = 3722771319
BaseRepresentation
bin1100110011100…
…0011001001001
310202001200000120
43030320121021
5102222131421
65155053453
71221341100
oct314703111
9122050016
1053708361
1128353983
1215ba1289
13b1862c5
1471c1037
154aad8c6
hex3338649

53708361 has 24 divisors (see below), whose sum is σ = 83666880. Its totient is φ = 30556512.

The previous prime is 53708351. The next prime is 53708371. The reversal of 53708361 is 16380735.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53708351) and next prime (53708371).

It is not a de Polignac number, because 53708361 - 211 = 53706313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53708351) 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, 40060 + ... + 41378.

It is an arithmetic number, because the mean of its divisors is an integer number (3486120).

Almost surely, 253708361 is an apocalyptic number.

It is an amenable number.

53708361 is a deficient number, since it is larger than the sum of its proper divisors (29958519).

53708361 is a wasteful number, since it uses less digits than its factorization.

53708361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613 (or 1606 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 53708361 is about 7328.5988428894. The cubic root of 53708361 is about 377.2946379477.

It can be divided in two parts, 5370 and 8361, that added together give a palindrome (13731).

The spelling of 53708361 in words is "fifty-three million, seven hundred eight thousand, three hundred sixty-one".

Divisors: 1 3 7 21 49 147 277 831 1319 1939 3957 5817 9233 13573 27699 40719 64631 193893 365363 1096089 2557541 7672623 17902787 53708361