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71950394 = 2231564139
BaseRepresentation
bin1000100100111…
…10000000111010
312000101110101102
410102132000322
5121404403034
611050051402
71532365625
oct422360072
9160343342
1071950394
113768343a
1220119b62
1311ba24c9
1497acdbc
1564b397e
hex449e03a

71950394 has 8 divisors (see below), whose sum is σ = 112618080. Its totient is φ = 34411036.

The previous prime is 71950393. The next prime is 71950427. The reversal of 71950394 is 49305917.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (71950391) 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, 782024 + ... + 782115.

It is an arithmetic number, because the mean of its divisors is an integer number (14077260).

Almost surely, 271950394 is an apocalyptic number.

71950394 is a deficient number, since it is larger than the sum of its proper divisors (40667686).

71950394 is a wasteful number, since it uses less digits than its factorization.

71950394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564164.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 71950394 is about 8482.3578090057. The cubic root of 71950394 is about 415.9212013286.

The spelling of 71950394 in words is "seventy-one million, nine hundred fifty thousand, three hundred ninety-four".

Divisors: 1 2 23 46 1564139 3128278 35975197 71950394