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1425247120 = 245111619599
BaseRepresentation
bin101010011110011…
…1000101110010000
310200022212001111101
41110330320232100
510404330401440
6353231554144
750214254263
oct12474705620
93608761441
101425247120
11671573290
1233938b954
1319937b2bb
14d7404cda
15851d069a
hex54f38b90

1425247120 has 40 divisors (see below), whose sum is σ = 3614947200. Its totient is φ = 518271360.

The previous prime is 1425247111. The next prime is 1425247121. The reversal of 1425247120 is 217425241.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1425247121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808920 + ... + 810679.

It is an arithmetic number, because the mean of its divisors is an integer number (90373680).

Almost surely, 21425247120 is an apocalyptic number.

1425247120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1425247120 is an abundant number, since it is smaller than the sum of its proper divisors (2189700080).

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

1425247120 is a wasteful number, since it uses less digits than its factorization.

1425247120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619623 (or 1619617 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 1425247120 is about 37752.4452188199. The cubic root of 1425247120 is about 1125.3736029941.

The spelling of 1425247120 in words is "one billion, four hundred twenty-five million, two hundred forty-seven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 1619599 3239198 6478396 8097995 12956792 16195990 17815589 25913584 32391980 35631178 64783960 71262356 89077945 129567920 142524712 178155890 285049424 356311780 712623560 1425247120