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1493985105 = 3251912491399
BaseRepresentation
bin101100100001100…
…0110011101010001
310212010012022021200
41121003012131101
511024430010410
6404125141413
752010443464
oct13103063521
93763168250
101493985105
116a7352138
123583ba869
131aa697572
141025b92db
158b25c3c0
hex590c6751

1493985105 has 48 divisors (see below), whose sum is σ = 2730000000. Its totient is φ = 753712128.

The previous prime is 1493985071. The next prime is 1493985121. The reversal of 1493985105 is 5015893941.

1493985105 is a `hidden beast` number, since 1 + 49 + 3 + 98 + 510 + 5 = 666.

It is not a de Polignac number, because 1493985105 - 221 = 1491887953 is a prime.

It is a super-2 number, since 2×14939851052 = 4463982987923722050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1067196 + ... + 1068594.

It is an arithmetic number, because the mean of its divisors is an integer number (56875000).

Almost surely, 21493985105 is an apocalyptic number.

1493985105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1493985105 is a deficient number, since it is larger than the sum of its proper divisors (1236014895).

1493985105 is a wasteful number, since it uses less digits than its factorization.

1493985105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678 (or 2675 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 1493985105 is about 38652.1035003271. The cubic root of 1493985105 is about 1143.1821181600.

The spelling of 1493985105 in words is "one billion, four hundred ninety-three million, nine hundred eighty-five thousand, one hundred five".

Divisors: 1 3 5 9 15 19 45 57 95 171 285 855 1249 1399 3747 4197 6245 6995 11241 12591 18735 20985 23731 26581 56205 62955 71193 79743 118655 132905 213579 239229 355965 398715 1067895 1196145 1747351 5242053 8736755 15726159 26210265 33199669 78630795 99599007 165998345 298797021 497995035 1493985105