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1131804296 = 23731221031
BaseRepresentation
bin100001101110101…
…1111011010001000
32220212200121121122
41003131133122020
54304220214141
6304150254412
740022114660
oct10335373210
92825617548
101131804296
11530968357
12277057408
13150637cac
14aa45b1a0
156956964b
hex4375f688

1131804296 has 48 divisors (see below), whose sum is σ = 2506173120. Its totient is φ = 469389600.

The previous prime is 1131804281. The next prime is 1131804329. The reversal of 1131804296 is 6924081311.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43301 + ... + 64331.

It is an arithmetic number, because the mean of its divisors is an integer number (52211940).

Almost surely, 21131804296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131804296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1253086560).

1131804296 is an abundant number, since it is smaller than the sum of its proper divisors (1374368824).

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

1131804296 is a wasteful number, since it uses less digits than its factorization.

1131804296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21106 (or 21071 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1131804296 is about 33642.2992079911. The cubic root of 1131804296 is about 1042.1345140183.

The spelling of 1131804296 in words is "one billion, one hundred thirty-one million, eight hundred four thousand, two hundred ninety-six".

Divisors: 1 2 4 7 8 14 28 31 56 62 124 217 248 434 868 961 1736 1922 3844 6727 7688 13454 21031 26908 42062 53816 84124 147217 168248 294434 588868 651961 1177736 1303922 2607844 4563727 5215688 9127454 18254908 20210791 36509816 40421582 80843164 141475537 161686328 282951074 565902148 1131804296