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1425307872 = 253831131583
BaseRepresentation
bin101010011110100…
…0111100011100000
310200022222010211110
41110331013203200
510404334322442
6353233143320
750214626352
oct12475074340
93608863743
101425307872
1167160499a
123393bab40
1319939cb51
14d741d0d2
15851e369c
hex54f478e0

1425307872 has 96 divisors (see below), whose sum is σ = 3822432768. Its totient is φ = 464930816.

The previous prime is 1425307847. The next prime is 1425307927. The reversal of 1425307872 is 2787035241.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 1425307872.

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, 899593 + ... + 901175.

It is an arithmetic number, because the mean of its divisors is an integer number (39817008).

Almost surely, 21425307872 is an apocalyptic number.

1425307872 is a gapful number since it is divisible by the number (12) 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 1425307872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1911216384).

1425307872 is an abundant number, since it is smaller than the sum of its proper divisors (2397124896).

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

1425307872 is a wasteful number, since it uses less digits than its factorization.

1425307872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792 (or 1784 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 1425307872 is about 37753.2498203797. The cubic root of 1425307872 is about 1125.3895926716.

The spelling of 1425307872 in words is "one billion, four hundred twenty-five million, three hundred seven thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 83 96 113 166 226 249 332 339 452 498 664 678 904 996 1328 1356 1583 1808 1992 2656 2712 3166 3616 3984 4749 5424 6332 7968 9379 9498 10848 12664 18758 18996 25328 28137 37516 37992 50656 56274 75032 75984 112548 131389 150064 151968 178879 225096 262778 300128 357758 394167 450192 525556 536637 715516 788334 900384 1051112 1073274 1431032 1576668 2102224 2146548 2862064 3153336 4204448 4293096 5724128 6306672 8586192 12613344 14846957 17172384 29693914 44540871 59387828 89081742 118775656 178163484 237551312 356326968 475102624 712653936 1425307872