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23377 = 97241
BaseRepresentation
bin101101101010001
31012001211
411231101
51222002
6300121
7125104
oct55521
935054
1023377
1116622
1211641
13a843
14873b
156dd7
hex5b51

23377 has 4 divisors (see below), whose sum is σ = 23716. Its totient is φ = 23040.

The previous prime is 23371. The next prime is 23399. The reversal of 23377 is 77332.

It can be divided in two parts, 23 and 377, that added together give a square (400 = 202).

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14161 + 9216 = 119^2 + 96^2 .

It is a cyclic number.

It is not a de Polignac number, because 23377 - 23 = 23369 is a prime.

It is a Duffinian number.

23377 is a lucky number.

It is a plaindrome in base 10.

It is a nialpdrome in base 8 and base 13.

It is not an unprimeable number, because it can be changed into a prime (23371) 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, 24 + ... + 217.

It is an arithmetic number, because the mean of its divisors is an integer number (5929).

It is a Poulet number, since it divides 223376-1.

223377 is an apocalyptic number.

23377 is the 97-th heptagonal number.

It is an amenable number.

23377 is a deficient number, since it is larger than the sum of its proper divisors (339).

23377 is an equidigital number, since it uses as much as digits as its factorization.

23377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338.

The product of its digits is 882, while the sum is 22.

The square root of 23377 is about 152.8953890737. The cubic root of 23377 is about 28.5932107705.

The spelling of 23377 in words is "twenty-three thousand, three hundred seventy-seven", and thus it is an iban number.

Divisors: 1 97 241 23377