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557249190 = 23518574973
BaseRepresentation
bin100001001101101…
…111001010100110
31102211120012011220
4201031233022212
52120123433230
6131143441210
716544353131
oct4115571246
91384505156
10557249190
11266609623
12136756206
138b5aac64
1454019218
1533dc5d10
hex2136f2a6

557249190 has 16 divisors (see below), whose sum is σ = 1337398128. Its totient is φ = 148599776.

The previous prime is 557249183. The next prime is 557249197. The reversal of 557249190 is 91942755.

557249190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (557249183) and next prime (557249197).

It is a super-2 number, since 2×5572491902 = 621053319511312200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557249197) 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, 9287457 + ... + 9287516.

It is an arithmetic number, because the mean of its divisors is an integer number (83587383).

Almost surely, 2557249190 is an apocalyptic number.

557249190 is an abundant number, since it is smaller than the sum of its proper divisors (780148938).

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

557249190 is a wasteful number, since it uses less digits than its factorization.

557249190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18574983.

The product of its (nonzero) digits is 113400, while the sum is 42.

The square root of 557249190 is about 23606.1261116686. The cubic root of 557249190 is about 822.9052163323.

The spelling of 557249190 in words is "five hundred fifty-seven million, two hundred forty-nine thousand, one hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 18574973 37149946 55724919 92874865 111449838 185749730 278624595 557249190