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419468140 = 225713217729
BaseRepresentation
bin11001000000001…
…001001101101100
31002020022012010001
4121000021031230
51324340440030
6105342354044
713252264120
oct3100111554
91066265101
10419468140
111a5862693
12b858b924
1368b99900
143d9d1580
1526c5bcca
hex1900936c

419468140 has 72 divisors (see below), whose sum is σ = 1090182240. Its totient is φ = 132747264.

The previous prime is 419468131. The next prime is 419468143. The reversal of 419468140 is 41864914.

It is a self number, because there is not a number n which added to its sum of digits gives 419468140.

It is not an unprimeable number, because it can be changed into a prime (419468143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14796 + ... + 32524.

It is an arithmetic number, because the mean of its divisors is an integer number (15141420).

Almost surely, 2419468140 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 419468140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545091120).

419468140 is an abundant number, since it is smaller than the sum of its proper divisors (670714100).

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

419468140 is a wasteful number, since it uses less digits than its factorization.

419468140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17771 (or 17756 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 419468140 is about 20480.9213659933. The cubic root of 419468140 is about 748.5709915684.

It can be divided in two parts, 41946 and 8140, that added together give a triangular number (50086 = T316).

The spelling of 419468140 in words is "four hundred nineteen million, four hundred sixty-eight thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 169 182 260 338 364 455 676 845 910 1183 1690 1820 2366 3380 4732 5915 11830 17729 23660 35458 70916 88645 124103 177290 230477 248206 354580 460954 496412 620515 921908 1152385 1241030 1613339 2304770 2482060 2996201 3226678 4609540 5992402 6453356 8066695 11984804 14981005 16133390 20973407 29962010 32266780 41946814 59924020 83893628 104867035 209734070 419468140