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9146230640 = 245196017257
BaseRepresentation
bin10001000010010100…
…00110011101110000
3212121102020122201222
420201022012131300
5122212413340030
64111323244212
7442436451311
oct104112063560
925542218658
109146230640
1139738994a8
121933079668
13b29b5c5c1
1462a9dc608
15387e643e5
hex221286770

9146230640 has 40 divisors (see below), whose sum is σ = 22384199760. Its totient is φ = 3465939456.

The previous prime is 9146230633. The next prime is 9146230661. The reversal of 9146230640 is 460326419.

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

It is a self number, because there is not a number n which added to its sum of digits gives 9146230640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3007109 + ... + 3010148.

It is an arithmetic number, because the mean of its divisors is an integer number (559604994).

Almost surely, 29146230640 is an apocalyptic number.

It is an amenable number.

9146230640 is an abundant number, since it is smaller than the sum of its proper divisors (13237969120).

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

9146230640 is a wasteful number, since it uses less digits than its factorization.

9146230640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6017289 (or 6017283 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 9146230640 is about 95635.9275586325. The cubic root of 9146230640 is about 2091.2889830358.

The spelling of 9146230640 in words is "nine billion, one hundred forty-six million, two hundred thirty thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 6017257 12034514 24069028 30086285 48138056 60172570 96276112 114327883 120345140 228655766 240690280 457311532 481380560 571639415 914623064 1143278830 1829246128 2286557660 4573115320 9146230640