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1372 = 2273
BaseRepresentation
bin10101011100
31212211
4111130
520442
610204
74000
oct2534
91784
101372
111038
12964
13817
14700
15617
hex55c

1372 has 12 divisors (see below), whose sum is σ = 2800. Its totient is φ = 588.

The previous prime is 1367. The next prime is 1373. The reversal of 1372 is 2731.

It can be divided in two parts, 1 and 372, that added together give a palindrome (373).

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

1372 is an admirable number.

It is a plaindrome in base 16.

It is a nialpdrome in base 7, base 12 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373) 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, 193 + ... + 199.

21372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1400).

1372 is an abundant number, since it is smaller than the sum of its proper divisors (1428).

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

1372 is an equidigital number, since it uses as much as digits as its factorization.

1372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25 (or 9 counting only the distinct ones).

The product of its digits is 42, while the sum is 13.

The square root of 1372 is about 37.0405183549. The cubic root of 1372 is about 11.1118073638. Note that the first 3 decimals are identical.

The spelling of 1372 in words is "one thousand, three hundred seventy-two", and thus it is an iban number.

Divisors: 1 2 4 7 14 28 49 98 196 343 686 1372