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5420920 = 235592297
BaseRepresentation
bin10100101011011101111000
3101012102002211
4110223131320
52341432140
6312104504
764035301
oct24533570
911172084
105420920
1130728aa
121995134
13117a55b
14a117a8
157212ea
hex52b778

5420920 has 32 divisors (see below), whose sum is σ = 12409200. Its totient is φ = 2130688.

The previous prime is 5420917. The next prime is 5420923. The reversal of 5420920 is 290245.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5420917) and next prime (5420923).

It is a junction number, because it is equal to n+sod(n) for n = 5420891 and 5420900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212 + ... + 3508.

Almost surely, 25420920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5420920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6204600).

5420920 is an abundant number, since it is smaller than the sum of its proper divisors (6988280).

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

5420920 is a wasteful number, since it uses less digits than its factorization.

5420920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367 (or 2363 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 5420920 is about 2328.2869238992. The cubic root of 5420920 is about 175.6673295806.

The spelling of 5420920 in words is "five million, four hundred twenty thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 59 118 236 295 472 590 1180 2297 2360 4594 9188 11485 18376 22970 45940 91880 135523 271046 542092 677615 1084184 1355230 2710460 5420920