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1368746548 = 2213219611747
BaseRepresentation
bin101000110010101…
…0110101000110100
310112101112112021121
41101211112220310
510300344342143
6343452553324
745630103501
oct12145265064
93471475247
101368746548
116426925a4
12322482844
1318a758100
14cdad84a8
158026e7ed
hex51956a34

1368746548 has 72 divisors (see below), whose sum is σ = 2776593120. Its totient is φ = 588332160.

The previous prime is 1368746507. The next prime is 1368746573. The reversal of 1368746548 is 8456478631.

It is a super-2 number, since 2×13687465482 = 3746934225323832608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 1368746495 and 1368746504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 782611 + ... + 784357.

Almost surely, 21368746548 is an apocalyptic number.

It is an amenable number.

1368746548 is an abundant number, since it is smaller than the sum of its proper divisors (1407846572).

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

1368746548 is a wasteful number, since it uses less digits than its factorization.

1368746548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857 (or 1842 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 52.

The square root of 1368746548 is about 36996.5748144338. The cubic root of 1368746548 is about 1110.3017192402.

The spelling of 1368746548 in words is "one billion, three hundred sixty-eight million, seven hundred forty-six thousand, five hundred forty-eight".

Divisors: 1 2 4 13 19 26 38 52 61 76 122 169 244 247 338 494 676 793 988 1159 1586 1747 2318 3172 3211 3494 4636 6422 6988 10309 12844 15067 20618 22711 30134 33193 41236 45422 60268 66386 90844 106567 132772 195871 213134 295243 391742 426268 431509 590486 783484 863018 1180972 1385371 1726036 2024773 2770742 4049546 5541484 5609617 8099092 11219234 18009823 22438468 26322049 36019646 52644098 72039292 105288196 342186637 684373274 1368746548