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1149428808 = 23321153139197
BaseRepresentation
bin100010010000010…
…1110010001001000
32222002212000220100
41010200232101020
54323223210213
6310020125400
740324661253
oct10440562110
92862760810
101149428808
1153a905970
12280b36860
131541990b8
14ac92809a
156ad9b773
hex4482e448

1149428808 has 192 divisors, whose sum is σ = 3502699200. Its totient is φ = 337559040.

The previous prime is 1149428789. The next prime is 1149428831. The reversal of 1149428808 is 8088249411.

1149428808 is a `hidden beast` number, since 1 + 149 + 428 + 80 + 8 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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, 5834566 + ... + 5834762.

It is an arithmetic number, because the mean of its divisors is an integer number (18243225).

Almost surely, 21149428808 is an apocalyptic number.

1149428808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1149428808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1751349600).

1149428808 is an abundant number, since it is smaller than the sum of its proper divisors (2353270392).

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

1149428808 is a wasteful number, since it uses less digits than its factorization.

1149428808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 1149428808 is about 33903.2271030355. The cubic root of 1149428808 is about 1047.5160659262.

The spelling of 1149428808 in words is "one billion, one hundred forty-nine million, four hundred twenty-eight thousand, eight hundred eight".