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71423803 = 116493073
BaseRepresentation
bin1000100000111…
…01011100111011
311222101201001001
410100131130323
5121241030203
611030505431
71525043443
oct420353473
9158351031
1071423803
1137353840
121bb05277
1311a49909
1496b3123
15640c91d
hex441d73b

71423803 has 4 divisors (see below), whose sum is σ = 77916888. Its totient is φ = 64930720.

The previous prime is 71423791. The next prime is 71423813. The reversal of 71423803 is 30832417.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71423803 - 25 = 71423771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71423813) 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, 3246526 + ... + 3246547.

It is an arithmetic number, because the mean of its divisors is an integer number (19479222).

Almost surely, 271423803 is an apocalyptic number.

71423803 is a deficient number, since it is larger than the sum of its proper divisors (6493085).

71423803 is a wasteful number, since it uses less digits than its factorization.

71423803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6493084.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 71423803 is about 8451.2604385381. The cubic root of 71423803 is about 414.9040335510.

The spelling of 71423803 in words is "seventy-one million, four hundred twenty-three thousand, eight hundred three".

Divisors: 1 11 6493073 71423803