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1150809408 = 26327614679
BaseRepresentation
bin100010010010111…
…1111010101000000
32222012110011201200
41010211333111000
54324101400113
6310105501200
740342501320
oct10445772500
92865404650
101150809408
11540669161
122814a1800
13154560618
14acba7280
156b070873
hex4497f540

1150809408 has 168 divisors, whose sum is σ = 3832433280. Its totient is φ = 323343360.

The previous prime is 1150809389. The next prime is 1150809433. The reversal of 1150809408 is 8049080511.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 243613 + ... + 248291.

Almost surely, 21150809408 is an apocalyptic number.

1150809408 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 1150809408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1916216640).

1150809408 is an abundant number, since it is smaller than the sum of its proper divisors (2681623872).

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

1150809408 is a wasteful number, since it uses less digits than its factorization.

1150809408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765 (or 4752 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 1150809408 is about 33923.5818863516. The cubic root of 1150809408 is about 1047.9352950359.

Adding to 1150809408 its reverse (8049080511), we get a palindrome (9199889919).

The spelling of 1150809408 in words is "one billion, one hundred fifty million, eight hundred nine thousand, four hundred eight".