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554254420 = 225122922549
BaseRepresentation
bin100001000010010…
…100000001010100
31102121221001010111
4201002110001110
52113342120140
6130555332404
716510041046
oct4102240124
91377831114
10554254420
11264953605
12135751104
138aa9cac5
1453879a96
15339d37ea
hex21094054

554254420 has 24 divisors (see below), whose sum is σ = 1164933000. Its totient is φ = 221511552.

The previous prime is 554254403. The next prime is 554254429. The reversal of 554254420 is 24452455.

It can be written as a sum of positive squares in 4 ways, for example, as 394181316 + 160073104 = 19854^2 + 12652^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554254429) 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, 13306 + ... + 35854.

It is an arithmetic number, because the mean of its divisors is an integer number (48538875).

Almost surely, 2554254420 is an apocalyptic number.

It is an amenable number.

554254420 is an abundant number, since it is smaller than the sum of its proper divisors (610678580).

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

554254420 is a wasteful number, since it uses less digits than its factorization.

554254420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23787 (or 23785 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 554254420 is about 23542.6086065245. The cubic root of 554254420 is about 821.4284145251.

The spelling of 554254420 in words is "five hundred fifty-four million, two hundred fifty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1229 2458 4916 6145 12290 22549 24580 45098 90196 112745 225490 450980 27712721 55425442 110850884 138563605 277127210 554254420