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71417470 = 257739239
BaseRepresentation
bin1000100000110…
…11111001111110
311222101101100111
410100123321332
5121240324340
611030420234
71525016125
oct420337176
9158341314
1071417470
113734a003
121bb0167a
1311a46a77
1496b0abc
15640aaea
hex441be7e

71417470 has 16 divisors (see below), whose sum is σ = 128731680. Its totient is φ = 28526944.

The previous prime is 71417441. The next prime is 71417497. The reversal of 71417470 is 7471417.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3111 + ... + 12349.

It is an arithmetic number, because the mean of its divisors is an integer number (8045730).

Almost surely, 271417470 is an apocalyptic number.

71417470 is a deficient number, since it is larger than the sum of its proper divisors (57314210).

71417470 is a wasteful number, since it uses less digits than its factorization.

71417470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10019.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 71417470 is about 8450.8857523931. The cubic root of 71417470 is about 414.8917702961.

Adding to 71417470 its reverse (7471417), we get a palindrome (78888887).

The spelling of 71417470 in words is "seventy-one million, four hundred seventeen thousand, four hundred seventy".

Divisors: 1 2 5 10 773 1546 3865 7730 9239 18478 46195 92390 7141747 14283494 35708735 71417470