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70241263 = 174131839
BaseRepresentation
bin1000010111111…
…00101111101111
311220011121220021
410023330233233
5120440210023
610545303011
71512020011
oct413745757
9156147807
1070241263
1136716334
121b634a67
13117245a1
1494861b1
15627735d
hex42fcbef

70241263 has 4 divisors (see below), whose sum is σ = 74373120. Its totient is φ = 66109408.

The previous prime is 70241261. The next prime is 70241321. The reversal of 70241263 is 36214207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36214207 = 66154787.

It is a cyclic number.

It is not a de Polignac number, because 70241263 - 21 = 70241261 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 (70241261) 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, 2065903 + ... + 2065936.

It is an arithmetic number, because the mean of its divisors is an integer number (18593280).

Almost surely, 270241263 is an apocalyptic number.

70241263 is a deficient number, since it is larger than the sum of its proper divisors (4131857).

70241263 is a wasteful number, since it uses less digits than its factorization.

70241263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131856.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 70241263 is about 8381.0060851905. The cubic root of 70241263 is about 412.6014697423.

The spelling of 70241263 in words is "seventy million, two hundred forty-one thousand, two hundred sixty-three".

Divisors: 1 17 4131839 70241263