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1425455140 = 22553225373
BaseRepresentation
bin101010011110110…
…1011100000100100
310200100020121211211
41110331223200210
510404404031030
6353240241204
750216111614
oct12475534044
93610217754
101425455140
116716a55aa
12339470204
13199421ba5
14d745aa44
158522212a
hex54f6b824

1425455140 has 36 divisors (see below), whose sum is σ = 3051122004. Its totient is φ = 559401856.

The previous prime is 1425455131. The next prime is 1425455149. The reversal of 1425455140 is 415545241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1425455131) and next prime (1425455149).

It can be written as a sum of positive squares in 6 ways, for example, as 48748324 + 1376706816 = 6982^2 + 37104^2 .

It is not an unprimeable number, because it can be changed into a prime (1425455149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43494 + ... + 68866.

It is an arithmetic number, because the mean of its divisors is an integer number (84753389).

Almost surely, 21425455140 is an apocalyptic number.

1425455140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1425455140 is an abundant number, since it is smaller than the sum of its proper divisors (1625666864).

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

1425455140 is a wasteful number, since it uses less digits than its factorization.

1425455140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25488 (or 25433 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 1425455140 is about 37755.2001716320. The cubic root of 1425455140 is about 1125.4283511205.

The spelling of 1425455140 in words is "one billion, four hundred twenty-five million, four hundred fifty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 2809 5618 11236 14045 25373 28090 50746 56180 101492 126865 253730 507460 1344769 2689538 5379076 6723845 13447690 26895380 71272757 142545514 285091028 356363785 712727570 1425455140