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1468745720 = 235137513761
BaseRepresentation
bin101011110001011…
…0100011111111000
310210100201000100122
41113202310133320
511001444330340
6401424152412
751253063331
oct12742643770
93710630318
101468745720
11694083442
1234ba68708
131a539b410
14dd0c9288
1588e23db5
hex578b47f8

1468745720 has 64 divisors (see below), whose sum is σ = 3564570240. Its totient is φ = 541440000.

The previous prime is 1468745717. The next prime is 1468745749. The reversal of 1468745720 is 275478641.

It is a congruent number.

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, 388640 + ... + 392400.

It is an arithmetic number, because the mean of its divisors is an integer number (55696410).

Almost surely, 21468745720 is an apocalyptic number.

1468745720 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 1468745720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782285120).

1468745720 is an abundant number, since it is smaller than the sum of its proper divisors (2095824520).

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

1468745720 is a wasteful number, since it uses less digits than its factorization.

1468745720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536 (or 4532 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 1468745720 is about 38324.2184525660. The cubic root of 1468745720 is about 1136.7078818036.

The spelling of 1468745720 in words is "one billion, four hundred sixty-eight million, seven hundred forty-five thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 751 1502 3004 3755 3761 6008 7510 7522 9763 15020 15044 18805 19526 30040 30088 37610 39052 48815 48893 75220 78104 97630 97786 150440 195260 195572 244465 390520 391144 488930 977860 1955720 2824511 5649022 11298044 14122555 22596088 28245110 36718643 56490220 73437286 112980440 146874572 183593215 293749144 367186430 734372860 1468745720