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2381377 = 171271103
BaseRepresentation
bin1001000101011001000001
311110222122011
421011121001
51102201002
6123012521
726145535
oct11053101
94428564
102381377
111387189
1296a141
13654bcb
1445dbc5
153208d7
hex245641

2381377 has 8 divisors (see below), whose sum is σ = 2543616. Its totient is φ = 2221632.

The previous prime is 2381363. The next prime is 2381387. The reversal of 2381377 is 7731832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2381377 is a prime.

It is a super-2 number, since 2×23813772 = 11341912832258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381317) 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, 1608 + ... + 2710.

It is an arithmetic number, because the mean of its divisors is an integer number (317952).

22381377 is an apocalyptic number.

It is an amenable number.

2381377 is a deficient number, since it is larger than the sum of its proper divisors (162239).

2381377 is a wasteful number, since it uses less digits than its factorization.

2381377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247.

The product of its digits is 7056, while the sum is 31.

The square root of 2381377 is about 1543.1710857841. The cubic root of 2381377 is about 133.5393890327.

It can be divided in two parts, 238137 and 7, that added together give a square (238144 = 4882).

The spelling of 2381377 in words is "two million, three hundred eighty-one thousand, three hundred seventy-seven".

Divisors: 1 17 127 1103 2159 18751 140081 2381377