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65716706 = 21119157217
BaseRepresentation
bin1111101010110…
…0000111100010
311120122202101002
43322230013202
5113310413311
610304312002
71425403616
oct372540742
9146582332
1065716706
1134105a30
121a012602
13107cc033
148a29346
155b8193b
hex3eac1e2

65716706 has 16 divisors (see below), whose sum is σ = 113196960. Its totient is φ = 28298880.

The previous prime is 65716691. The next prime is 65716709. The reversal of 65716706 is 60761756.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 65716706.

It is not an unprimeable number, because it can be changed into a prime (65716709) 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, 78191 + ... + 79026.

It is an arithmetic number, because the mean of its divisors is an integer number (7074810).

Almost surely, 265716706 is an apocalyptic number.

65716706 is a deficient number, since it is larger than the sum of its proper divisors (47480254).

65716706 is a wasteful number, since it uses less digits than its factorization.

65716706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157249.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 65716706 is about 8106.5841141630. The cubic root of 65716706 is about 403.5449611498.

The spelling of 65716706 in words is "sixty-five million, seven hundred sixteen thousand, seven hundred six".

Divisors: 1 2 11 19 22 38 209 418 157217 314434 1729387 2987123 3458774 5974246 32858353 65716706