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93712141 = 129772253
BaseRepresentation
bin1011001010111…
…10111100001101
320112100001220001
411211132330031
5142442242031
613144324301
72215353145
oct545367415
9215301801
1093712141
1148997356
1227473691
1316551793
14c635925
158361861
hex595ef0d

93712141 has 4 divisors (see below), whose sum is σ = 93785692. Its totient is φ = 93638592.

The previous prime is 93712121. The next prime is 93712169. The reversal of 93712141 is 14121739.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14121739 = 118711897.

It can be written as a sum of positive squares in 2 ways, for example, as 73874025 + 19838116 = 8595^2 + 4454^2 .

It is a cyclic number.

It is not a de Polignac number, because 93712141 - 211 = 93710093 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 (93712111) 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, 34830 + ... + 37423.

It is an arithmetic number, because the mean of its divisors is an integer number (23446423).

Almost surely, 293712141 is an apocalyptic number.

It is an amenable number.

93712141 is a deficient number, since it is larger than the sum of its proper divisors (73551).

93712141 is a wasteful number, since it uses less digits than its factorization.

93712141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73550.

The product of its digits is 1512, while the sum is 28.

The square root of 93712141 is about 9680.5031377506. The cubic root of 93712141 is about 454.2189894249.

The spelling of 93712141 in words is "ninety-three million, seven hundred twelve thousand, one hundred forty-one".

Divisors: 1 1297 72253 93712141