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4023043220 = 225728736023
BaseRepresentation
bin1110111111001010…
…1100010010010100
3101101101001202210202
43233302230102110
531214344340340
61503111440032
7201460205660
oct35762542224
911341052722
104023043220
1117849a2a09
12943386018
134c162c061
142a24318a0
151882c7c15
hexefcac494

4023043220 has 24 divisors (see below), whose sum is σ = 9655304064. Its totient is φ = 1379329056.

The previous prime is 4023043181. The next prime is 4023043231. The reversal of 4023043220 is 223403204.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4023043192 and 4023043201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14367872 + ... + 14368151.

It is an arithmetic number, because the mean of its divisors is an integer number (402304336).

Almost surely, 24023043220 is an apocalyptic number.

It is an amenable number.

4023043220 is an abundant number, since it is smaller than the sum of its proper divisors (5632260844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4023043220 is a wasteful number, since it uses less digits than its factorization.

4023043220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28736039 (or 28736037 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 4023043220 is about 63427.4642406584. The cubic root of 4023043220 is about 1590.4434531715.

Adding to 4023043220 its reverse (223403204), we get a palindrome (4246446424).

The spelling of 4023043220 in words is "four billion, twenty-three million, forty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 28736023 57472046 114944092 143680115 201152161 287360230 402304322 574720460 804608644 1005760805 2011521610 4023043220