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93030141 = 331010047
BaseRepresentation
bin1011000101110…
…00011011111101
320111001102100210
411202320123331
5142303431031
613121543033
72206512621
oct542703375
9214042323
1093030141
1148570a16
12271a4a79
1316373229
14c4d9181
158279746
hex58b86fd

93030141 has 4 divisors (see below), whose sum is σ = 124040192. Its totient is φ = 62020092.

The previous prime is 93030139. The next prime is 93030181. The reversal of 93030141 is 14103039.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14103039 = 34701013.

It is not a de Polignac number, because 93030141 - 21 = 93030139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93030121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15505021 + ... + 15505026.

It is an arithmetic number, because the mean of its divisors is an integer number (31010048).

Almost surely, 293030141 is an apocalyptic number.

It is an amenable number.

93030141 is a deficient number, since it is larger than the sum of its proper divisors (31010051).

93030141 is a wasteful number, since it uses less digits than its factorization.

93030141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31010050.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 93030141 is about 9645.2133724454. The cubic root of 93030141 is about 453.1144300095.

The spelling of 93030141 in words is "ninety-three million, thirty thousand, one hundred forty-one".

Divisors: 1 3 31010047 93030141