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421308480 = 26352319081
BaseRepresentation
bin11001000111001…
…010100001000000
31002100202200120210
4121013022201000
51330323332410
6105450034120
713304030415
oct3107124100
91070680523
10421308480
111a68aa32a
12b9118940
1369392478
143dd5010c
1526ec2220
hex191ca840

421308480 has 112 divisors (see below), whose sum is σ = 1395886464. Its totient is φ = 107458560.

The previous prime is 421308479. The next prime is 421308499. The reversal of 421308480 is 84803124.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 12540 + ... + 31620.

It is an arithmetic number, because the mean of its divisors is an integer number (12463272).

Almost surely, 2421308480 is an apocalyptic number.

421308480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421308480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (697943232).

421308480 is an abundant number, since it is smaller than the sum of its proper divisors (974577984).

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

421308480 is a wasteful number, since it uses less digits than its factorization.

421308480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19124 (or 19114 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 421308480 is about 20525.8003498037. The cubic root of 421308480 is about 749.6641340590.

The spelling of 421308480 in words is "four hundred twenty-one million, three hundred eight thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 64 69 80 92 96 115 120 138 160 184 192 230 240 276 320 345 368 460 480 552 690 736 920 960 1104 1380 1472 1840 2208 2760 3680 4416 5520 7360 11040 19081 22080 38162 57243 76324 95405 114486 152648 190810 228972 286215 305296 381620 438863 457944 572430 610592 763240 877726 915888 1144860 1221184 1316589 1526480 1755452 1831776 2194315 2289720 2633178 3052960 3510904 3663552 4388630 4579440 5266356 6105920 6582945 7021808 8777260 9158880 10532712 13165890 14043616 17554520 18317760 21065424 26331780 28087232 35109040 42130848 52663560 70218080 84261696 105327120 140436160 210654240 421308480