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71349099 = 334768539
BaseRepresentation
bin1000100000010…
…11001101101011
311222020220120020
410100023031223
5121231132344
611025131523
71524312603
oct420131553
9158226506
1071349099
11373026a8
121ba89ba3
1311a21903
149693c03
1563e5719
hex440b36b

71349099 has 8 divisors (see below), whose sum is σ = 95407680. Its totient is φ = 47428296.

The previous prime is 71349079. The next prime is 71349101. The reversal of 71349099 is 99094317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71349099 - 215 = 71316331 is a prime.

It is a super-2 number, since 2×713490992 = 10181387856223602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71349099.

It is not an unprimeable number, because it can be changed into a prime (71349079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33229 + ... + 35310.

It is an arithmetic number, because the mean of its divisors is an integer number (11925960).

Almost surely, 271349099 is an apocalyptic number.

71349099 is a deficient number, since it is larger than the sum of its proper divisors (24058581).

71349099 is a wasteful number, since it uses less digits than its factorization.

71349099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68889.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 71349099 is about 8446.8395864962. The cubic root of 71349099 is about 414.7593301419.

The spelling of 71349099 in words is "seventy-one million, three hundred forty-nine thousand, ninety-nine".

Divisors: 1 3 347 1041 68539 205617 23783033 71349099