Search a number
-
+
58201381 = 761136303
BaseRepresentation
bin1101111000000…
…1010100100101
311001111221021201
43132001110211
5104344421011
65435242501
71304463220
oct336012445
9131457251
1058201381
112a942617
12175a9431
13c09a3b4
147a305b7
155199cc1
hex3781525

58201381 has 8 divisors (see below), whose sum is σ = 67606784. Its totient is φ = 49068720.

The previous prime is 58201379. The next prime is 58201397. The reversal of 58201381 is 18310285.

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 58201381 - 21 = 58201379 is a prime.

It is a super-2 number, since 2×582013812 = 6774801500614322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58201361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67725 + ... + 68578.

It is an arithmetic number, because the mean of its divisors is an integer number (8450848).

Almost surely, 258201381 is an apocalyptic number.

It is an amenable number.

58201381 is a deficient number, since it is larger than the sum of its proper divisors (9405403).

58201381 is a wasteful number, since it uses less digits than its factorization.

58201381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136371.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 58201381 is about 7628.9829597398. The cubic root of 58201381 is about 387.5351471415.

The spelling of 58201381 in words is "fifty-eight million, two hundred one thousand, three hundred eighty-one".

Divisors: 1 7 61 427 136303 954121 8314483 58201381