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419999952 = 24367731789
BaseRepresentation
bin11001000010001…
…011000011010000
31002021022012121210
4121002023003100
51330004444302
6105402020120
713256640441
oct3102130320
91067265553
10419999952
111a60961a9
12b87a7640
13690249a8
143dacd2c8
1526d1466c
hex1908b0d0

419999952 has 80 divisors (see below), whose sum is σ = 1116902720. Its totient is φ = 135945216.

The previous prime is 419999947. The next prime is 420000029. The reversal of 419999952 is 259999914.

It is a junction number, because it is equal to n+sod(n) for n = 419999892 and 419999901.

It is a congruent 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, 233874 + ... + 235662.

It is an arithmetic number, because the mean of its divisors is an integer number (13961284).

Almost surely, 2419999952 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 419999952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558451360).

419999952 is an abundant number, since it is smaller than the sum of its proper divisors (696902768).

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

419999952 is a wasteful number, since it uses less digits than its factorization.

419999952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940 (or 1934 counting only the distinct ones).

The product of its digits is 2361960, while the sum is 57.

The square root of 419999952 is about 20493.9003608391. The cubic root of 419999952 is about 748.8872101928.

The spelling of 419999952 in words is "four hundred nineteen million, nine hundred ninety-nine thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 67 73 134 146 201 219 268 292 402 438 536 584 804 876 1072 1168 1608 1752 1789 3216 3504 3578 4891 5367 7156 9782 10734 14312 14673 19564 21468 28624 29346 39128 42936 58692 78256 85872 117384 119863 130597 234768 239726 261194 359589 391791 479452 522388 719178 783582 958904 1044776 1438356 1567164 1917808 2089552 2876712 3134328 5753424 6268656 8749999 17499998 26249997 34999996 52499994 69999992 104999988 139999984 209999976 419999952