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4689420 = 223578157
BaseRepresentation
bin10001111000111000001100
322211020200020
4101320320030
52200030140
6244302140
754600531
oct21707014
98736606
104689420
11271325a
1216a1950
13c82608
148a0d88
156296d0
hex478e0c

4689420 has 24 divisors (see below), whose sum is σ = 13130544. Its totient is φ = 1250496.

The previous prime is 4689413. The next prime is 4689427. The reversal of 4689420 is 249864.

It is an interprime number because it is at equal distance from previous prime (4689413) and next prime (4689427).

It is not an unprimeable number, because it can be changed into a prime (4689427) 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, 39019 + ... + 39138.

It is an arithmetic number, because the mean of its divisors is an integer number (547106).

Almost surely, 24689420 is an apocalyptic number.

It is an amenable number.

4689420 is an abundant number, since it is smaller than the sum of its proper divisors (8441124).

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

4689420 is a wasteful number, since it uses less digits than its factorization.

4689420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78169 (or 78167 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 4689420 is about 2165.5068690725. The cubic root of 4689420 is about 167.3810843795.

Adding to 4689420 its sum of digits (33), we get a triangular number (4689453 = T3062).

The spelling of 4689420 in words is "four million, six hundred eighty-nine thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 78157 156314 234471 312628 390785 468942 781570 937884 1172355 1563140 2344710 4689420