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71364270 = 23514271667
BaseRepresentation
bin1000100000011…
…10111010101110
311222021200101010
410100032322232
5121232124040
611025330050
71524405045
oct420167256
9158250333
1071364270
113731303a
121ba96926
1311a287a3
14969955c
1563e9e80
hex440eeae

71364270 has 32 divisors (see below), whose sum is σ = 171497088. Its totient is φ = 19005728.

The previous prime is 71364269. The next prime is 71364329. The reversal of 71364270 is 7246317.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 41977 + ... + 43643.

It is an arithmetic number, because the mean of its divisors is an integer number (5359284).

Almost surely, 271364270 is an apocalyptic number.

71364270 is an abundant number, since it is smaller than the sum of its proper divisors (100132818).

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

71364270 is a wasteful number, since it uses less digits than its factorization.

71364270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 71364270 is about 8447.7375669465. The cubic root of 71364270 is about 414.7887248970.

The spelling of 71364270 in words is "seventy-one million, three hundred sixty-four thousand, two hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 1427 1667 2854 3334 4281 5001 7135 8335 8562 10002 14270 16670 21405 25005 42810 50010 2378809 4757618 7136427 11894045 14272854 23788090 35682135 71364270