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2001372 = 223166781
BaseRepresentation
bin111101000100111011100
310202200100220
413220213130
51003020442
6110521340
723003622
oct7504734
93680326
102001372
11114772a
12806250
13550c59
143a1512
15297eec
hex1e89dc

2001372 has 12 divisors (see below), whose sum is σ = 4669896. Its totient is φ = 667120.

The previous prime is 2001371. The next prime is 2001397. The reversal of 2001372 is 2731002.

Adding to 2001372 its reverse (2731002), we get a palindrome (4732374).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001371) 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, 83379 + ... + 83402.

It is an arithmetic number, because the mean of its divisors is an integer number (389158).

22001372 is an apocalyptic number.

It is an amenable number.

2001372 is an abundant number, since it is smaller than the sum of its proper divisors (2668524).

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

2001372 is a wasteful number, since it uses less digits than its factorization.

2001372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166788 (or 166786 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 2001372 is about 1414.6985544631. The cubic root of 2001372 is about 126.0209085987.

The spelling of 2001372 in words is "two million, one thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 166781 333562 500343 667124 1000686 2001372