Search a number
-
+
421030932 = 223722924691
BaseRepresentation
bin11001000110000…
…110110000010100
31002100020120212020
4121012012300110
51330240442212
6105440053140
713301463300
oct3106066024
91070216766
10421030932
111a672a853
12b90041b0
13692c603a
143dcbad00
1526e69d8c
hex19186c14

421030932 has 72 divisors (see below), whose sum is σ = 1182252960. Its totient is φ = 116141760.

The previous prime is 421030919. The next prime is 421030943. The reversal of 421030932 is 239030124.

It is a congruent number.

It is an unprimeable number.

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, 4707 + ... + 29397.

It is an arithmetic number, because the mean of its divisors is an integer number (16420180).

Almost surely, 2421030932 is an apocalyptic number.

421030932 is a gapful number since it is divisible by the number (42) 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 421030932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591126480).

421030932 is an abundant number, since it is smaller than the sum of its proper divisors (761222028).

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

421030932 is a wasteful number, since it uses less digits than its factorization.

421030932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24741 (or 24732 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 421030932 is about 20519.0382815570. The cubic root of 421030932 is about 749.4994775996.

The spelling of 421030932 in words is "four hundred twenty-one million, thirty thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 29 42 49 58 84 87 98 116 147 174 196 203 294 348 406 588 609 812 1218 1421 2436 2842 4263 5684 8526 17052 24691 49382 74073 98764 148146 172837 296292 345674 518511 691348 716039 1037022 1209859 1432078 2074044 2148117 2419718 2864156 3629577 4296234 4839436 5012273 7259154 8592468 10024546 14518308 15036819 20049092 30073638 35085911 60147276 70171822 105257733 140343644 210515466 421030932