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1425241680 = 243519312553
BaseRepresentation
bin101010011110011…
…0111011001010000
310200022211210000220
41110330313121100
510404330213210
6353231513040
750214232362
oct12474673120
93608753026
101425241680
1167156a195
12339388780
13199378995
14d7402d32
15851cdc70
hex54f37650

1425241680 has 80 divisors (see below), whose sum is σ = 4650803520. Its totient is φ = 360059904.

The previous prime is 1425241669. The next prime is 1425241681. The reversal of 1425241680 is 861425241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425241681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151717 + ... + 160836.

It is an arithmetic number, because the mean of its divisors is an integer number (58135044).

Almost surely, 21425241680 is an apocalyptic number.

1425241680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1425241680 is an abundant number, since it is smaller than the sum of its proper divisors (3225561840).

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

1425241680 is a wasteful number, since it uses less digits than its factorization.

1425241680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312588 (or 312582 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 1425241680 is about 37752.3731704379. The cubic root of 1425241680 is about 1125.3721711862.

The spelling of 1425241680 in words is "one billion, four hundred twenty-five million, two hundred forty-one thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 38 40 48 57 60 76 80 95 114 120 152 190 228 240 285 304 380 456 570 760 912 1140 1520 2280 4560 312553 625106 937659 1250212 1562765 1875318 2500424 3125530 3750636 4688295 5000848 5938507 6251060 7501272 9376590 11877014 12502120 15002544 17815521 18753180 23754028 25004240 29692535 35631042 37506360 47508056 59385070 71262084 75012720 89077605 95016112 118770140 142524168 178155210 237540280 285048336 356310420 475080560 712620840 1425241680