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5171970 = 235172399
BaseRepresentation
bin10011101110101100000010
3100201202121110
4103232230002
52311000340
6302504150
761650426
oct23565402
910652543
105171970
112a12861
121895056
1310c114b
14988b86
156c2680
hex4eeb02

5171970 has 16 divisors (see below), whose sum is σ = 12412800. Its totient is φ = 1379184.

The previous prime is 5171963. The next prime is 5171981. The reversal of 5171970 is 791715.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 172399 = 5171970 / (5 + 1 + 7 + 1 + 9 + 7 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86170 + ... + 86229.

It is an arithmetic number, because the mean of its divisors is an integer number (775800).

Almost surely, 25171970 is an apocalyptic number.

5171970 is an abundant number, since it is smaller than the sum of its proper divisors (7240830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5171970 is a wasteful number, since it uses less digits than its factorization.

5171970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172409.

The product of its (nonzero) digits is 2205, while the sum is 30.

The square root of 5171970 is about 2274.1965614256. The cubic root of 5171970 is about 172.9359692650.

The spelling of 5171970 in words is "five million, one hundred seventy-one thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 172399 344798 517197 861995 1034394 1723990 2585985 5171970