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93145197 = 331048399
BaseRepresentation
bin1011000110101…
…00100001101101
320111021021012010
411203110201231
5142321121242
613124231433
72210502225
oct543244155
9214237163
1093145197
114863a402
122723b579
13163b3702
14c529085
15829d89c
hex58d486d

93145197 has 4 divisors (see below), whose sum is σ = 124193600. Its totient is φ = 62096796.

The previous prime is 93145183. The next prime is 93145237. The reversal of 93145197 is 79154139.

It is a happy number.

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: 79154139 = 326384713.

It is not a de Polignac number, because 93145197 - 26 = 93145133 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 (93145127) 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, 15524197 + ... + 15524202.

It is an arithmetic number, because the mean of its divisors is an integer number (31048400).

Almost surely, 293145197 is an apocalyptic number.

It is an amenable number.

93145197 is a deficient number, since it is larger than the sum of its proper divisors (31048403).

93145197 is a wasteful number, since it uses less digits than its factorization.

93145197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31048402.

The product of its digits is 34020, while the sum is 39.

The square root of 93145197 is about 9651.1759387134. The cubic root of 93145197 is about 453.3011510579.

The spelling of 93145197 in words is "ninety-three million, one hundred forty-five thousand, one hundred ninety-seven".

Divisors: 1 3 31048399 93145197