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4432100420 = 2251120145911
BaseRepresentation
bin1000010000010110…
…00111110001000100
3102102212210000210102
410020023013301010
533034104203140
62011443143232
7214555142366
oct41013076104
912385700712
104432100420
111974894710
12a38374b18
135582c2037
143008b2d36
151ae179e15
hex1082c7c44

4432100420 has 24 divisors (see below), whose sum is σ = 10153539648. Its totient is φ = 1611672800.

The previous prime is 4432100401. The next prime is 4432100471. The reversal of 4432100420 is 240012344.

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 = 4432100392 and 4432100401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10072736 + ... + 10073175.

It is an arithmetic number, because the mean of its divisors is an integer number (423064152).

Almost surely, 24432100420 is an apocalyptic number.

It is an amenable number.

4432100420 is an abundant number, since it is smaller than the sum of its proper divisors (5721439228).

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

4432100420 is a wasteful number, since it uses less digits than its factorization.

4432100420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20145931 (or 20145929 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4432100420 is about 66574.0221107302. The cubic root of 4432100420 is about 1642.6178223936.

Adding to 4432100420 its reverse (240012344), we get a palindrome (4672112764).

The spelling of 4432100420 in words is "four billion, four hundred thirty-two million, one hundred thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 20145911 40291822 80583644 100729555 201459110 221605021 402918220 443210042 886420084 1108025105 2216050210 4432100420