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1131314272 = 25113213961
BaseRepresentation
bin100001101101110…
…0111110001100000
32220211202201102121
41003123213301200
54304104024042
6304131554024
740015004224
oct10333476140
92824681377
101131314272
11530663180
12276a5b914
131504c5c3a
14aa370784
15694be367
hex436e7c60

1131314272 has 24 divisors (see below), whose sum is σ = 2429755272. Its totient is φ = 514233600.

The previous prime is 1131314243. The next prime is 1131314287. The reversal of 1131314272 is 2724131311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1606629 + ... + 1607332.

It is an arithmetic number, because the mean of its divisors is an integer number (101239803).

Almost surely, 21131314272 is an apocalyptic number.

It is an amenable number.

1131314272 is an abundant number, since it is smaller than the sum of its proper divisors (1298441000).

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

1131314272 is a wasteful number, since it uses less digits than its factorization.

1131314272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213982 (or 3213974 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 1131314272 is about 33635.0155641409. The cubic root of 1131314272 is about 1041.9840920645.

Adding to 1131314272 its reverse (2724131311), we get a palindrome (3855445583).

The spelling of 1131314272 in words is "one billion, one hundred thirty-one million, three hundred fourteen thousand, two hundred seventy-two".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 3213961 6427922 12855844 25711688 35353571 51423376 70707142 102846752 141414284 282828568 565657136 1131314272