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538998124 = 227171517499
BaseRepresentation
bin100000001000000…
…111010101101100
31101120012221102111
4200020013111230
52100440414444
6125252333404
716233260050
oct4010072554
91346187374
10538998124
112572832a5
12130614264
138788a902
1451827c60
15324bd234
hex2020756c

538998124 has 48 divisors (see below), whose sum is σ = 1149120000. Its totient is φ = 215942400.

The previous prime is 538998101. The next prime is 538998127. The reversal of 538998124 is 421899835.

It is not an unprimeable number, because it can be changed into a prime (538998127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68127 + ... + 75625.

It is an arithmetic number, because the mean of its divisors is an integer number (23940000).

Almost surely, 2538998124 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 538998124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574560000).

538998124 is an abundant number, since it is smaller than the sum of its proper divisors (610121876).

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

538998124 is a wasteful number, since it uses less digits than its factorization.

538998124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7678 (or 7676 counting only the distinct ones).

The product of its digits is 622080, while the sum is 49.

The square root of 538998124 is about 23216.3331299325. Note that the first 3 decimals coincide. The cubic root of 538998124 is about 813.8213602639.

The spelling of 538998124 in words is "five hundred thirty-eight million, nine hundred ninety-eight thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 17 28 34 68 119 151 238 302 476 604 1057 2114 2567 4228 5134 7499 10268 14998 17969 29996 35938 52493 71876 104986 127483 209972 254966 509932 892381 1132349 1784762 2264698 3569524 4529396 7926443 15852886 19249933 31705772 38499866 76999732 134749531 269499062 538998124