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1087243080 = 2335711219563
BaseRepresentation
bin100000011001110…
…0000001101001000
32210202211200010020
41000303200031020
54211313234310
6255515220440
735641261620
oct10063401510
92722750106
101087243080
115087a1900
12264147720
13144335301
14a457b880
15656b6170
hex40ce0348

1087243080 has 384 divisors, whose sum is σ = 4320691200. Its totient is φ = 213649920.

The previous prime is 1087243049. The next prime is 1087243081. The reversal of 1087243080 is 803427801.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087243081) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1930879 + ... + 1931441.

It is an arithmetic number, because the mean of its divisors is an integer number (11251800).

Almost surely, 21087243080 is an apocalyptic number.

1087243080 is a gapful number since it is divisible by the number (10) 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 1087243080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2160345600).

1087243080 is an abundant number, since it is smaller than the sum of its proper divisors (3233448120).

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

1087243080 is a wasteful number, since it uses less digits than its factorization.

1087243080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 1087243080 is about 32973.3692545970. The cubic root of 1087243080 is about 1028.2740693550.

The spelling of 1087243080 in words is "one billion, eighty-seven million, two hundred forty-three thousand, eighty".