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1423953960 = 2335111382981
BaseRepresentation
bin101010011011111…
…1101000000101000
310200020102100121120
41110313331000220
510404013011320
6353144135240
750200260162
oct12467750050
93606370546
101423953960
1167086a760
12338a67520
13199017810
14d7189932
1585027440
hex54dfd028

1423953960 has 128 divisors (see below), whose sum is σ = 5018751360. Its totient is φ = 318643200.

The previous prime is 1423953953. The next prime is 1423953977. The reversal of 1423953960 is 693593241.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24331 + ... + 58650.

It is an arithmetic number, because the mean of its divisors is an integer number (39208995).

Almost surely, 21423953960 is an apocalyptic number.

1423953960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423953960 is an abundant number, since it is smaller than the sum of its proper divisors (3594797400).

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

1423953960 is a wasteful number, since it uses less digits than its factorization.

1423953960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83019 (or 83015 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 1423953960 is about 37735.3144945156. The cubic root of 1423953960 is about 1125.0331407521.

The spelling of 1423953960 in words is "one billion, four hundred twenty-three million, nine hundred fifty-three thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 11 12 13 15 20 22 24 26 30 33 39 40 44 52 55 60 65 66 78 88 104 110 120 130 132 143 156 165 195 220 260 264 286 312 330 390 429 440 520 572 660 715 780 858 1144 1320 1430 1560 1716 2145 2860 3432 4290 5720 8580 17160 82981 165962 248943 331924 414905 497886 663848 829810 912791 995772 1078753 1244715 1659620 1825582 1991544 2157506 2489430 2738373 3236259 3319240 3651164 4315012 4563955 4978860 5393765 5476746 6472518 7302328 8630024 9127910 9957720 10787530 10953492 11866283 12945036 13691865 16181295 18255820 21575060 21906984 23732566 25890072 27383730 32362590 35598849 36511640 43150120 47465132 54767460 59331415 64725180 71197698 94930264 109534920 118662830 129450360 142395396 177994245 237325660 284790792 355988490 474651320 711976980 1423953960