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2420933 = 19712289
BaseRepresentation
bin1001001111000011000101
311112222220012
421033003011
51104432213
6123520005
726402054
oct11170305
94488805
102420933
111403979
12989005
13669c08
1447039b
1532c4a8
hex24f0c5

2420933 has 4 divisors (see below), whose sum is σ = 2433420. Its totient is φ = 2408448.

The previous prime is 2420921. The next prime is 2420941. The reversal of 2420933 is 3390242.

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 2211169 + 209764 = 1487^2 + 458^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420933 - 24 = 2420917 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2420899 and 2420908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420993) 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, 5948 + ... + 6341.

It is an arithmetic number, because the mean of its divisors is an integer number (608355).

22420933 is an apocalyptic number.

It is an amenable number.

2420933 is a deficient number, since it is larger than the sum of its proper divisors (12487).

2420933 is a wasteful number, since it uses less digits than its factorization.

2420933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12486.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 2420933 is about 1555.9347672701. The cubic root of 2420933 is about 134.2747204240.

It can be divided in two parts, 24209 and 33, that multiplied together give a palindrome (798897).

The spelling of 2420933 in words is "two million, four hundred twenty thousand, nine hundred thirty-three".

Divisors: 1 197 12289 2420933