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1316350740 = 223521939179
BaseRepresentation
bin100111001110101…
…1110101100010100
310101201221112202010
41032131132230110
510143441210430
6334341544220
744422540155
oct11635365424
93351845663
101316350740
11616055881
12308a15070
1317c941383
14c6b7992c
157a86ecb0
hex4e75eb14

1316350740 has 24 divisors (see below), whose sum is σ = 3685782240. Its totient is φ = 351026848.

The previous prime is 1316350727. The next prime is 1316350741. The reversal of 1316350740 is 470536131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1316350698 and 1316350707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316350741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10969530 + ... + 10969649.

It is an arithmetic number, because the mean of its divisors is an integer number (153574260).

Almost surely, 21316350740 is an apocalyptic number.

1316350740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1316350740 is an abundant number, since it is smaller than the sum of its proper divisors (2369431500).

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

1316350740 is a wasteful number, since it uses less digits than its factorization.

1316350740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21939191 (or 21939189 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 1316350740 is about 36281.5482029089. The cubic root of 1316350740 is about 1095.9494944048.

Adding to 1316350740 its reverse (470536131), we get a palindrome (1786886871).

It can be divided in two parts, 13163 and 50740, that added together give a triangular number (63903 = T357).

The spelling of 1316350740 in words is "one billion, three hundred sixteen million, three hundred fifty thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 21939179 43878358 65817537 87756716 109695895 131635074 219391790 263270148 329087685 438783580 658175370 1316350740