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421452480 = 2635443991
BaseRepresentation
bin11001000111101…
…101101011000000
31002101001000010010
4121013231223000
51330342434410
6105453104520
713305200301
oct3107555300
91071030103
10421452480
111a6998539
12b9188140
1369412b87
143dd8a7a8
1526eeec20
hex191edac0

421452480 has 112 divisors (see below), whose sum is σ = 1342485504. Its totient is φ = 112020480.

The previous prime is 421452467. The next prime is 421452523. The reversal of 421452480 is 84254124.

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, 424785 + ... + 425775.

Almost surely, 2421452480 is an apocalyptic number.

421452480 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 421452480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671242752).

421452480 is an abundant number, since it is smaller than the sum of its proper divisors (921033024).

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

421452480 is a wasteful number, since it uses less digits than its factorization.

421452480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1444 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 421452480 is about 20529.3078305139. The cubic root of 421452480 is about 749.7495341429.

The spelling of 421452480 in words is "four hundred twenty-one million, four hundred fifty-two thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 443 480 886 960 991 1329 1772 1982 2215 2658 2973 3544 3964 4430 4955 5316 5946 6645 7088 7928 8860 9910 10632 11892 13290 14176 14865 15856 17720 19820 21264 23784 26580 28352 29730 31712 35440 39640 42528 47568 53160 59460 63424 70880 79280 85056 95136 106320 118920 141760 158560 190272 212640 237840 317120 425280 439013 475680 878026 951360 1317039 1756052 2195065 2634078 3512104 4390130 5268156 6585195 7024208 8780260 10536312 13170390 14048416 17560520 21072624 26340780 28096832 35121040 42145248 52681560 70242080 84290496 105363120 140484160 210726240 421452480