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530540248 = 23721797561
BaseRepresentation
bin11111100111110…
…110011011011000
31100222022020101211
4133213312123120
52041304241443
6124351152504
716101342400
oct3747663330
91328266354
10530540248
11252526817
12129815734
1385bb8c54
1450665800
153189c19d
hex1f9f66d8

530540248 has 48 divisors (see below), whose sum is σ = 1163791800. Its totient is φ = 226074240.

The previous prime is 530540189. The next prime is 530540261. The reversal of 530540248 is 842045035.

It is a super-3 number, since 3×5305402483 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66388 + ... + 73948.

Almost surely, 2530540248 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 530540248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581895900).

530540248 is an abundant number, since it is smaller than the sum of its proper divisors (633251552).

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

530540248 is a wasteful number, since it uses less digits than its factorization.

530540248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7760 (or 7749 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 530540248 is about 23033.4593146579. The cubic root of 530540248 is about 809.5421117809.

The spelling of 530540248 in words is "five hundred thirty million, five hundred forty thousand, two hundred forty-eight".

Divisors: 1 2 4 7 8 14 28 49 56 98 179 196 358 392 716 1253 1432 2506 5012 7561 8771 10024 15122 17542 30244 35084 52927 60488 70168 105854 211708 370489 423416 740978 1353419 1481956 2706838 2963912 5413676 9473933 10827352 18947866 37895732 66317531 75791464 132635062 265270124 530540248