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557780124 = 223114225607
BaseRepresentation
bin100001001111110…
…000110010011100
31102212120011111010
4201033300302130
52120242430444
6131203055220
716552024056
oct4117606234
91385504433
10557780124
11266941510
12136971510
138b735815
14541168d6
1533e7d2b9
hex213f0c9c

557780124 has 24 divisors (see below), whose sum is σ = 1419804288. Its totient is φ = 169024240.

The previous prime is 557780101. The next prime is 557780129. The reversal of 557780124 is 421087755.

It is a super-2 number, since 2×5577801242 = 622237333458910752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557780129) 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, 2112672 + ... + 2112935.

It is an arithmetic number, because the mean of its divisors is an integer number (59158512).

Almost surely, 2557780124 is an apocalyptic number.

It is an amenable number.

557780124 is an abundant number, since it is smaller than the sum of its proper divisors (862024164).

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

557780124 is a wasteful number, since it uses less digits than its factorization.

557780124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4225625 (or 4225623 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 557780124 is about 23617.3691168174. The cubic root of 557780124 is about 823.1664816577.

The spelling of 557780124 in words is "five hundred fifty-seven million, seven hundred eighty thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 4225607 8451214 12676821 16902428 25353642 46481677 50707284 92963354 139445031 185926708 278890062 557780124