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70363423 = 135412571
BaseRepresentation
bin1000011000110…
…10100100011111
311220101211110201
410030122210133
5121003112143
610552044331
71513036114
oct414324437
9156354421
1070363423
113679a099
121b6936a7
1311768080
1494b890b
15629d64d
hex431a91f

70363423 has 4 divisors (see below), whose sum is σ = 75776008. Its totient is φ = 64950840.

The previous prime is 70363411. The next prime is 70363427. The reversal of 70363423 is 32436307.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32436307 = 61752571.

It is a cyclic number.

It is not a de Polignac number, because 70363423 - 225 = 36808991 is a prime.

It is a super-2 number, since 2×703634232 = 9902022592553858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70363391 and 70363400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70363427) 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, 2706273 + ... + 2706298.

It is an arithmetic number, because the mean of its divisors is an integer number (18944002).

Almost surely, 270363423 is an apocalyptic number.

70363423 is a deficient number, since it is larger than the sum of its proper divisors (5412585).

70363423 is a wasteful number, since it uses less digits than its factorization.

70363423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5412584.

The product of its (nonzero) digits is 9072, while the sum is 28.

The square root of 70363423 is about 8388.2908270994. The cubic root of 70363423 is about 412.8405229803.

The spelling of 70363423 in words is "seventy million, three hundred sixty-three thousand, four hundred twenty-three".

Divisors: 1 13 5412571 70363423