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1355044518 = 23335717027
BaseRepresentation
bin101000011000100…
…0101011010100110
310111102202101122000
41100301011122212
510233342411033
6342243150130
745402455052
oct12061053246
93442671560
101355044518
11635984003
12319975346
1318796b4b9
14cbd6cc62
157de64a13
hex50c456a6

1355044518 has 32 divisors (see below), whose sum is σ = 3012481920. Its totient is φ = 451490760.

The previous prime is 1355044477. The next prime is 1355044519. The reversal of 1355044518 is 8154405531.

1355044518 is a `hidden beast` number, since 13 + 550 + 44 + 51 + 8 = 666.

It is a super-2 number, since 2×13550445182 = 3672291291523704648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355044519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189321 + ... + 196347.

It is an arithmetic number, because the mean of its divisors is an integer number (94140060).

Almost surely, 21355044518 is an apocalyptic number.

1355044518 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1355044518 is an abundant number, since it is smaller than the sum of its proper divisors (1657437402).

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

1355044518 is a wasteful number, since it uses less digits than its factorization.

1355044518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10609 (or 10603 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 1355044518 is about 36810.9293281221. The cubic root of 1355044518 is about 1106.5843431811.

The spelling of 1355044518 in words is "one billion, three hundred fifty-five million, forty-four thousand, five hundred eighteen".

Divisors: 1 2 3 6 9 18 27 54 3571 7027 7142 10713 14054 21081 21426 32139 42162 63243 64278 96417 126486 189729 192834 379458 25093417 50186834 75280251 150560502 225840753 451681506 677522259 1355044518