Search a number
-
+
94742549 = 118612959
BaseRepresentation
bin1011010010110…
…10100000010101
320121021102100022
411221122200111
5143223230144
613222354525
72230204226
oct551324025
9217242308
1094742549
1149530530
122788ba45
13168227a5
14c82324d
1584b6cee
hex5a5a815

94742549 has 4 divisors (see below), whose sum is σ = 103355520. Its totient is φ = 86129580.

The previous prime is 94742537. The next prime is 94742561. The reversal of 94742549 is 94524749.

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: 94524749 = 118593159.

It is an interprime number because it is at equal distance from previous prime (94742537) and next prime (94742561).

It is a cyclic number.

It is not a de Polignac number, because 94742549 - 224 = 77965333 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94742509) 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, 4306469 + ... + 4306490.

It is an arithmetic number, because the mean of its divisors is an integer number (25838880).

Almost surely, 294742549 is an apocalyptic number.

It is an amenable number.

94742549 is a deficient number, since it is larger than the sum of its proper divisors (8612971).

94742549 is a wasteful number, since it uses less digits than its factorization.

94742549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8612970.

The product of its digits is 362880, while the sum is 44.

The square root of 94742549 is about 9733.5784272795. The cubic root of 94742549 is about 455.8777068305.

The spelling of 94742549 in words is "ninety-four million, seven hundred forty-two thousand, five hundred forty-nine".

Divisors: 1 11 8612959 94742549