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2000172 = 223237247
BaseRepresentation
bin111101000010100101100
310202121201110
413220110230
51003001142
6110512020
723000256
oct7502454
93677643
102000172
111146839
12805610
13550545
143a0cd6
1529799c
hex1e852c

2000172 has 24 divisors (see below), whose sum is σ = 4870656. Its totient is φ = 637648.

The previous prime is 2000153. The next prime is 2000177. The reversal of 2000172 is 2710002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2000177) 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, 3348 + ... + 3899.

It is an arithmetic number, because the mean of its divisors is an integer number (202944).

22000172 is an apocalyptic number.

It is an amenable number.

2000172 is an abundant number, since it is smaller than the sum of its proper divisors (2870484).

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

2000172 is a wasteful number, since it uses less digits than its factorization.

2000172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7277 (or 7275 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 2000172 is about 1414.2743722489. The cubic root of 2000172 is about 125.9957166596.

Adding to 2000172 its reverse (2710002), we get a palindrome (4710174).

The spelling of 2000172 in words is "two million, one hundred seventy-two", and thus it is an aban number.

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 7247 14494 21741 28988 43482 86964 166681 333362 500043 666724 1000086 2000172