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70217201 = 314748193
BaseRepresentation
bin1000010111101…
…10110111110001
311220010101220002
410023312313301
5120433422301
610544555345
71511556605
oct413666761
9156111802
1070217201
11366aa24a
121b622b55
1311716652
14947b505
15627016b
hex42f6df1

70217201 has 8 divisors (see below), whose sum is σ = 74025984. Its totient is φ = 66504960.

The previous prime is 70217197. The next prime is 70217221. The reversal of 70217201 is 10271207.

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

It is a cyclic number.

It is not a de Polignac number, because 70217201 - 22 = 70217197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70217221) 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, 22640 + ... + 25553.

It is an arithmetic number, because the mean of its divisors is an integer number (9253248).

Almost surely, 270217201 is an apocalyptic number.

It is an amenable number.

70217201 is a deficient number, since it is larger than the sum of its proper divisors (3808783).

70217201 is a wasteful number, since it uses less digits than its factorization.

70217201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48271.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 70217201 is about 8379.5704543849. The cubic root of 70217201 is about 412.5543504755.

Adding to 70217201 its reverse (10271207), we get a palindrome (80488408).

The spelling of 70217201 in words is "seventy million, two hundred seventeen thousand, two hundred one".

Divisors: 1 31 47 1457 48193 1493983 2265071 70217201