Search a number
-
+
1445136260 = 225434735753
BaseRepresentation
bin101011000100011…
…0000011110000100
310201201021112021012
41112020300132010
510424423330020
6355222141352
750545312151
oct12610603604
93651245235
101445136260
11681818297
12343b81858
131a0523119
14d9d01228
1586d0d7c5
hex56230784

1445136260 has 48 divisors (see below), whose sum is σ = 3171522816. Its totient is φ = 552582912.

The previous prime is 1445136233. The next prime is 1445136271. The reversal of 1445136260 is 626315441.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22544 + ... + 58296.

It is an arithmetic number, because the mean of its divisors is an integer number (66073392).

Almost surely, 21445136260 is an apocalyptic number.

1445136260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445136260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1585761408).

1445136260 is an abundant number, since it is smaller than the sum of its proper divisors (1726386556).

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

1445136260 is a wasteful number, since it uses less digits than its factorization.

1445136260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35852 (or 35850 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1445136260 is about 38014.9478494973. The cubic root of 1445136260 is about 1130.5842542131.

The spelling of 1445136260 in words is "one billion, four hundred forty-five million, one hundred thirty-six thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 43 47 86 94 172 188 215 235 430 470 860 940 2021 4042 8084 10105 20210 35753 40420 71506 143012 178765 357530 715060 1537379 1680391 3074758 3360782 6149516 6721564 7686895 8401955 15373790 16803910 30747580 33607820 72256813 144513626 289027252 361284065 722568130 1445136260