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1375823514 = 2313151199587
BaseRepresentation
bin101001000000001…
…0110011010011010
310112212212002001110
41102000112122122
510304202323024
6344304401150
746044210162
oct12200263232
93485762043
101375823514
1164668662a
123249161b6
1318c065370
14d0a1b5a2
1580bbb629
hex5201669a

1375823514 has 64 divisors (see below), whose sum is σ = 3003033600. Its totient is φ = 417700800.

The previous prime is 1375823513. The next prime is 1375823531. The reversal of 1375823514 is 4153285731.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1375823513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2343529 + ... + 2344115.

It is an arithmetic number, because the mean of its divisors is an integer number (46922400).

Almost surely, 21375823514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1375823514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1501516800).

1375823514 is an abundant number, since it is smaller than the sum of its proper divisors (1627210086).

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

1375823514 is a wasteful number, since it uses less digits than its factorization.

1375823514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955.

The product of its digits is 100800, while the sum is 39.

The square root of 1375823514 is about 37092.0950338478. The cubic root of 1375823514 is about 1112.2119984030.

The spelling of 1375823514 in words is "one billion, three hundred seventy-five million, eight hundred twenty-three thousand, five hundred fourteen".

Divisors: 1 2 3 6 13 26 39 78 151 199 302 398 453 587 597 906 1174 1194 1761 1963 2587 3522 3926 5174 5889 7631 7761 11778 15262 15522 22893 30049 45786 60098 88637 90147 116813 177274 180294 233626 265911 350439 390637 531822 700878 781274 1152281 1171911 1518569 2304562 2343822 3037138 3456843 4555707 6913686 9111414 17638763 35277526 52916289 105832578 229303919 458607838 687911757 1375823514