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1455230340 = 223352694871
BaseRepresentation
bin101011010111101…
…0000110110000100
310202102021100202000
41112233100312010
510440014332330
6400222345300
751030153024
oct12657206604
93672240660
101455230340
11687492103
1234742b230
131a2648755
14db3aba84
1587b54560
hex56bd0d84

1455230340 has 48 divisors (see below), whose sum is σ = 4527384960. Its totient is φ = 388061280.

The previous prime is 1455230317. The next prime is 1455230363. The reversal of 1455230340 is 430325541.

It is an interprime number because it is at equal distance from previous prime (1455230317) and next prime (1455230363).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 1346896 + ... + 1347975.

It is an arithmetic number, because the mean of its divisors is an integer number (94320520).

Almost surely, 21455230340 is an apocalyptic number.

1455230340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1455230340 is an abundant number, since it is smaller than the sum of its proper divisors (3072154620).

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

1455230340 is a wasteful number, since it uses less digits than its factorization.

1455230340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694889 (or 2694881 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1455230340 is about 38147.4814371801. The cubic root of 1455230340 is about 1133.2104747636.

Adding to 1455230340 its reverse (430325541), we get a palindrome (1885555881).

The spelling of 1455230340 in words is "one billion, four hundred fifty-five million, two hundred thirty thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 2694871 5389742 8084613 10779484 13474355 16169226 24253839 26948710 32338452 40423065 48507678 53897420 72761517 80846130 97015356 121269195 145523034 161692260 242538390 291046068 363807585 485076780 727615170 1455230340