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94092139 = 191492629
BaseRepresentation
bin1011001101110…
…11101101101011
320120001101011001
411212323231223
5143041422024
613200415431
72221525051
oct546735553
9216041131
1094092139
11491268a9
1227617577
131665572b
14c6d41d1
1583d9244
hex59bbb6b

94092139 has 4 divisors (see below), whose sum is σ = 94584960. Its totient is φ = 93599320.

The previous prime is 94092121. The next prime is 94092151. The reversal of 94092139 is 93129049.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93129049 = 137163773.

It is a cyclic number.

It is not a de Polignac number, because 94092139 - 25 = 94092107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 94092098 and 94092107.

It is not an unprimeable number, because it can be changed into a prime (94092539) 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, 246124 + ... + 246505.

It is an arithmetic number, because the mean of its divisors is an integer number (23646240).

Almost surely, 294092139 is an apocalyptic number.

94092139 is a deficient number, since it is larger than the sum of its proper divisors (492821).

94092139 is a wasteful number, since it uses less digits than its factorization.

94092139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492820.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 94092139 is about 9700.1102571053. The cubic root of 94092139 is about 454.8321064731.

The spelling of 94092139 in words is "ninety-four million, ninety-two thousand, one hundred thirty-nine".

Divisors: 1 191 492629 94092139