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2380231 = 73371009
BaseRepresentation
bin1001000101000111000111
311110221001201
421011013013
51102131411
6123003331
726142310
oct11050707
94427051
102380231
111386337
12969547
13654529
1445d607
153203c1
hex2451c7

2380231 has 8 divisors (see below), whose sum is σ = 2731040. Its totient is φ = 2032128.

The previous prime is 2380229. The next prime is 2380241. The reversal of 2380231 is 1320832.

It is a happy number.

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

It is not a de Polignac number, because 2380231 - 21 = 2380229 is a prime.

It is a super-2 number, since 2×23802312 = 11330999226722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2380199 and 2380208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2380241) 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, 1855 + ... + 2863.

It is an arithmetic number, because the mean of its divisors is an integer number (341380).

22380231 is an apocalyptic number.

2380231 is a deficient number, since it is larger than the sum of its proper divisors (350809).

2380231 is a wasteful number, since it uses less digits than its factorization.

2380231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2380231 is about 1542.7997277677. The cubic root of 2380231 is about 133.5179643563.

The spelling of 2380231 in words is "two million, three hundred eighty thousand, two hundred thirty-one".

Divisors: 1 7 337 1009 2359 7063 340033 2380231