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1117042460 = 225173285419
BaseRepresentation
bin100001010010100…
…1011011100011100
32212211220122011222
41002211023130130
54241430324320
6302502032512
736452463362
oct10245133434
92784818158
101117042460
115235a5596
12272118738
1314a569b91
14a84d7632
1568100825
hex4294b71c

1117042460 has 24 divisors (see below), whose sum is σ = 2483777520. Its totient is φ = 420533504.

The previous prime is 1117042453. The next prime is 1117042463. The reversal of 1117042460 is 642407111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117042463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1642370 + ... + 1643049.

It is an arithmetic number, because the mean of its divisors is an integer number (103490730).

Almost surely, 21117042460 is an apocalyptic number.

1117042460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1117042460 is an abundant number, since it is smaller than the sum of its proper divisors (1366735060).

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

1117042460 is a wasteful number, since it uses less digits than its factorization.

1117042460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285445 (or 3285443 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1117042460 is about 33422.1851469948. The cubic root of 1117042460 is about 1037.5839068927.

Adding to 1117042460 its reverse (642407111), we get a palindrome (1759449571).

The spelling of 1117042460 in words is "one billion, one hundred seventeen million, forty-two thousand, four hundred sixty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 3285419 6570838 13141676 16427095 32854190 55852123 65708380 111704246 223408492 279260615 558521230 1117042460