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2042232421 = 72715971759
BaseRepresentation
bin111100110111001…
…1111111001100101
312021022211011012211
41321232133321211
513140302414141
6534352043421
7101415455245
oct17156377145
95238734184
102042232421
11958872499
1248bb33571
13267143068
1415532db25
15be455d81
hex79b9fe65

2042232421 has 8 divisors (see below), whose sum is σ = 2047485440. Its totient is φ = 2036987568.

The previous prime is 2042232419. The next prime is 2042232487. The reversal of 2042232421 is 1242322402.

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

It is a cyclic number.

It is not a de Polignac number, because 2042232421 - 21 = 2042232419 is a prime.

It is a super-2 number, since 2×20422324212 = 8341426522767042482, 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 = 2042232392 and 2042232401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042232121) 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, 1160140 + ... + 1161898.

It is an arithmetic number, because the mean of its divisors is an integer number (255935680).

Almost surely, 22042232421 is an apocalyptic number.

It is an amenable number.

2042232421 is a deficient number, since it is larger than the sum of its proper divisors (5253019).

2042232421 is a wasteful number, since it uses less digits than its factorization.

2042232421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2042232421 is about 45191.0657210029. The cubic root of 2042232421 is about 1268.7276034258.

Adding to 2042232421 its reverse (1242322402), we get a palindrome (3284554823).

The spelling of 2042232421 in words is "two billion, forty-two million, two hundred thirty-two thousand, four hundred twenty-one".

Divisors: 1 727 1597 1759 1161019 1278793 2809123 2042232421