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71357214 = 2311892869
BaseRepresentation
bin1000100000011…
…01001100011110
311222021022200210
410100031030132
5121231412324
611025233250
71524345345
oct420151436
9158238623
1071357214
1137308805
121ba92826
1311a25506
149696b5c
1563e7d29
hex440d31e

71357214 has 8 divisors (see below), whose sum is σ = 142714440. Its totient is φ = 23785736.

The previous prime is 71357213. The next prime is 71357243. The reversal of 71357214 is 41275317.

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

71357214 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71357213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5946429 + ... + 5946440.

It is an arithmetic number, because the mean of its divisors is an integer number (17839305).

Almost surely, 271357214 is an apocalyptic number.

71357214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71357214 is a wasteful number, since it uses less digits than its factorization.

71357214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11892874.

The product of its digits is 5880, while the sum is 30.

The square root of 71357214 is about 8447.3199300133. The cubic root of 71357214 is about 414.7750539769.

The spelling of 71357214 in words is "seventy-one million, three hundred fifty-seven thousand, two hundred fourteen".

Divisors: 1 2 3 6 11892869 23785738 35678607 71357214