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4020222423 = 37191439163
BaseRepresentation
bin1110111110011111…
…1011100111010111
3101101011202110101210
43233213323213113
531213134104143
61502531152503
7201424220040
oct35747734727
911334673353
104020222423
111783346678
12942445733
134c0b82149
142a1cd98c7
15187e1c033
hexef9fb9d7

4020222423 has 8 divisors (see below), whose sum is σ = 6126053248. Its totient is φ = 2297269944.

The previous prime is 4020222419. The next prime is 4020222431. The reversal of 4020222423 is 3242220204.

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

It is not a de Polignac number, because 4020222423 - 22 = 4020222419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 191439163 = 4020222423 / (4 + 0 + 2 + 0 + 2 + 2 + 2 + 4 + 2 + 3).

It is a self number, because there is not a number n which added to its sum of digits gives 4020222423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020222443) 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, 95719561 + ... + 95719602.

It is an arithmetic number, because the mean of its divisors is an integer number (765756656).

Almost surely, 24020222423 is an apocalyptic number.

4020222423 is a deficient number, since it is larger than the sum of its proper divisors (2105830825).

4020222423 is a wasteful number, since it uses less digits than its factorization.

4020222423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191439173.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 4020222423 is about 63405.2239409341. The cubic root of 4020222423 is about 1590.0716478137.

Adding to 4020222423 its reverse (3242220204), we get a palindrome (7262442627).

The spelling of 4020222423 in words is "four billion, twenty million, two hundred twenty-two thousand, four hundred twenty-three".

Divisors: 1 3 7 21 191439163 574317489 1340074141 4020222423