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538915552 = 2572405873
BaseRepresentation
bin100000000111110…
…011001011100000
31101120001202011021
4200013303023200
52100430244202
6125250455224
716232464240
oct4007631340
91346052137
10538915552
1125722725a
12130594514
138785c156
1451805b20
15324a3a37
hex201f32e0

538915552 has 24 divisors (see below), whose sum is σ = 1212560496. Its totient is φ = 230963712.

The previous prime is 538915493. The next prime is 538915571. The reversal of 538915552 is 255519835.

It is a junction number, because it is equal to n+sod(n) for n = 538915499 and 538915508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1202713 + ... + 1203160.

It is an arithmetic number, because the mean of its divisors is an integer number (50523354).

Almost surely, 2538915552 is an apocalyptic number.

It is an amenable number.

538915552 is an abundant number, since it is smaller than the sum of its proper divisors (673644944).

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

538915552 is a wasteful number, since it uses less digits than its factorization.

538915552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405890 (or 2405882 counting only the distinct ones).

The product of its digits is 270000, while the sum is 43.

The square root of 538915552 is about 23214.5547448147. The cubic root of 538915552 is about 813.7798002620.

The spelling of 538915552 in words is "five hundred thirty-eight million, nine hundred fifteen thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 2405873 4811746 9623492 16841111 19246984 33682222 38493968 67364444 76987936 134728888 269457776 538915552