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71430002 = 275986477
BaseRepresentation
bin1000100000111…
…10111101110010
311222102000112122
410100132331302
5121241230002
611030554242
71525100510
oct420367562
9158360478
1071430002
1137358466
121bb08982
1311a4c697
1496b54b0
15640e6a2
hex441ef72

71430002 has 16 divisors (see below), whose sum is σ = 124528320. Its totient is φ = 30093648.

The previous prime is 71430001. The next prime is 71430013. The reversal of 71430002 is 20003417.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (71430001) 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, 42413 + ... + 44064.

It is an arithmetic number, because the mean of its divisors is an integer number (7783020).

Almost surely, 271430002 is an apocalyptic number.

71430002 is a deficient number, since it is larger than the sum of its proper divisors (53098318).

71430002 is a wasteful number, since it uses less digits than its factorization.

71430002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86545.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 71430002 is about 8451.6271806085. The cubic root of 71430002 is about 414.9160366256.

Adding to 71430002 its reverse (20003417), we get a palindrome (91433419).

The spelling of 71430002 in words is "seventy-one million, four hundred thirty thousand, two".

Divisors: 1 2 7 14 59 118 413 826 86477 172954 605339 1210678 5102143 10204286 35715001 71430002