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71500468 = 221323191313
BaseRepresentation
bin1000100001100…
…00001010110100
311222112121012111
410100300022310
5121301003333
611032300404
71525513114
oct420601264
9158477174
1071500468
11373a63a6
121bb41704
1311a75790
1496d3044
1564254cd
hex44302b4

71500468 has 48 divisors (see below), whose sum is σ = 141797376. Its totient is φ = 31299840.

The previous prime is 71500459. The next prime is 71500483. The reversal of 71500468 is 86400517.

It is a super-2 number, since 2×715004682 = 10224633848438048, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228280 + ... + 228592.

It is an arithmetic number, because the mean of its divisors is an integer number (2954112).

Almost surely, 271500468 is an apocalyptic number.

It is an amenable number.

71500468 is a deficient number, since it is larger than the sum of its proper divisors (70296908).

71500468 is a wasteful number, since it uses less digits than its factorization.

71500468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 71500468 is about 8455.7949360187. The cubic root of 71500468 is about 415.0524305945.

The spelling of 71500468 in words is "seventy-one million, five hundred thousand, four hundred sixty-eight".

Divisors: 1 2 4 13 23 26 46 52 92 191 299 313 382 598 626 764 1196 1252 2483 4069 4393 4966 7199 8138 8786 9932 14398 16276 17572 28796 57109 59783 93587 114218 119566 187174 228436 239132 374348 777179 1375009 1554358 2750018 3108716 5500036 17875117 35750234 71500468