Search a number
-
+
60993121 = 78713303
BaseRepresentation
bin1110100010101…
…0111001100001
311020202202211111
43220222321201
5111103234441
610015143321
71340301340
oct350527141
9136682744
1060993121
113147a042
1218514b41
13c837007
148159b57
15554c081
hex3a2ae61

60993121 has 4 divisors (see below), whose sum is σ = 69706432. Its totient is φ = 52279812.

The previous prime is 60993113. The next prime is 60993167. The reversal of 60993121 is 12139906.

60993121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 60993121 - 23 = 60993113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60993421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4356645 + ... + 4356658.

It is an arithmetic number, because the mean of its divisors is an integer number (17426608).

Almost surely, 260993121 is an apocalyptic number.

It is an amenable number.

60993121 is a deficient number, since it is larger than the sum of its proper divisors (8713311).

60993121 is an equidigital number, since it uses as much as digits as its factorization.

60993121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8713310.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 60993121 is about 7809.8092806419. The cubic root of 60993121 is about 393.6349203965.

The spelling of 60993121 in words is "sixty million, nine hundred ninety-three thousand, one hundred twenty-one".

Divisors: 1 7 8713303 60993121