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17214970 = 251721497
BaseRepresentation
bin100000110101…
…0110111111010
31012101121111111
41001222313322
513401334340
61412550534
7266216263
oct101526772
935347444
1017214970
119798953
12592244a
133749896
14240196a
1517a0aea
hex106adfa

17214970 has 8 divisors (see below), whose sum is σ = 30986964. Its totient is φ = 6885984.

The previous prime is 17214943. The next prime is 17214973. The reversal of 17214970 is 7941271.

It can be written as a sum of positive squares in 2 ways, for example, as 16168441 + 1046529 = 4021^2 + 1023^2 .

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

It is not an unprimeable number, because it can be changed into a prime (17214973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860739 + ... + 860758.

Almost surely, 217214970 is an apocalyptic number.

17214970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17214970 is a deficient number, since it is larger than the sum of its proper divisors (13771994).

17214970 is a wasteful number, since it uses less digits than its factorization.

17214970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721504.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 17214970 is about 4149.0926718983. The cubic root of 17214970 is about 258.2074428814.

The spelling of 17214970 in words is "seventeen million, two hundred fourteen thousand, nine hundred seventy".

Divisors: 1 2 5 10 1721497 3442994 8607485 17214970