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448903140 = 223571068817
BaseRepresentation
bin11010110000011…
…011011111100100
31011021200122100020
4122300123133210
51404404400030
6112313315140
714060420340
oct3260333744
91137618306
10448903140
11210437634
12106405ab0
137200467a
1443894620
1529623510
hex1ac1b7e4

448903140 has 48 divisors (see below), whose sum is σ = 1436491392. Its totient is φ = 102606336.

The previous prime is 448903123. The next prime is 448903171. The reversal of 448903140 is 41309844.

It is a happy 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, 533989 + ... + 534828.

It is an arithmetic number, because the mean of its divisors is an integer number (29926904).

Almost surely, 2448903140 is an apocalyptic number.

It is an amenable number.

448903140 is an abundant number, since it is smaller than the sum of its proper divisors (987588252).

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

448903140 is a wasteful number, since it uses less digits than its factorization.

448903140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068836 (or 1068834 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 448903140 is about 21187.3344241318. The cubic root of 448903140 is about 765.6863079380.

The spelling of 448903140 in words is "four hundred forty-eight million, nine hundred three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 1068817 2137634 3206451 4275268 5344085 6412902 7481719 10688170 12825804 14963438 16032255 21376340 22445157 29926876 32064510 37408595 44890314 64129020 74817190 89780628 112225785 149634380 224451570 448903140