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140430216 = 23319547563
BaseRepresentation
bin10000101111011…
…00101110001000
3100210020121001010
420113230232020
5241422231331
621533523520
73323431353
oct1027545610
9323217033
10140430216
11722a6333
123b0435a0
132312b104
141491729a
15c4dde46
hex85ecb88

140430216 has 64 divisors (see below), whose sum is σ = 370886400. Its totient is φ = 44186688.

The previous prime is 140430211. The next prime is 140430229. The reversal of 140430216 is 612034041.

It is a junction number, because it is equal to n+sod(n) for n = 140430192 and 140430201.

It is not an unprimeable number, because it can be changed into a prime (140430211) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 249151 + ... + 249713.

It is an arithmetic number, because the mean of its divisors is an integer number (5795100).

Almost surely, 2140430216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140430216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185443200).

140430216 is an abundant number, since it is smaller than the sum of its proper divisors (230456184).

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

140430216 is a wasteful number, since it uses less digits than its factorization.

140430216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1134 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 140430216 is about 11850.3255651480. The cubic root of 140430216 is about 519.7807458304.

Adding to 140430216 its reverse (612034041), we get a palindrome (752464257).

The spelling of 140430216 in words is "one hundred forty million, four hundred thirty thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 547 563 1094 1126 1641 1689 2188 2252 3282 3378 4376 4504 6564 6756 10393 10697 13128 13512 20786 21394 31179 32091 41572 42788 62358 64182 83144 85576 124716 128364 249432 256728 307961 615922 923883 1231844 1847766 2463688 3695532 5851259 7391064 11702518 17553777 23405036 35107554 46810072 70215108 140430216