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1130623488 = 2933172283
BaseRepresentation
bin100001101100011…
…1111001000000000
32220210110121212000
41003120333020000
54303414422423
6304105104000
740006066251
oct10330771000
92823417760
101130623488
11530231185
12276788000
131503136a7
14aa230b28
15693d4843
hex4363f200

1130623488 has 240 divisors, whose sum is σ = 3567732960. Its totient is φ = 353452032.

The previous prime is 1130623463. The next prime is 1130623499. The reversal of 1130623488 is 8843260311.

1130623488 is a `hidden beast` number, since 1 + 1 + 306 + 2 + 348 + 8 = 666.

It is a super-2 number, since 2×11306234882 = 2556618943234572288, which contains 22 as substring.

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

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, 3994995 + ... + 3995277.

It is an arithmetic number, because the mean of its divisors is an integer number (14865554).

Almost surely, 21130623488 is an apocalyptic number.

1130623488 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 1130623488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1783866480).

1130623488 is an abundant number, since it is smaller than the sum of its proper divisors (2437109472).

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

1130623488 is an equidigital number, since it uses as much as digits as its factorization.

1130623488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1130623488 is about 33624.7451737556. The cubic root of 1130623488 is about 1041.7719693126.

Adding to 1130623488 its reverse (8843260311), we get a palindrome (9973883799).

The spelling of 1130623488 in words is "one billion, one hundred thirty million, six hundred twenty-three thousand, four hundred eighty-eight".