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146224330 = 257389479
BaseRepresentation
bin10001011011100…
…11010011001010
3101012010222001221
420231303103022
5244413134310
622302032254
73423613000
oct1055632312
9335128057
10146224330
11755a355a
1240b7868a
13243a9495
14155c4a70
15cc85ada
hex8b734ca

146224330 has 64 divisors (see below), whose sum is σ = 311040000. Its totient is φ = 49467264.

The previous prime is 146224319. The next prime is 146224343. The reversal of 146224330 is 33422641.

146224330 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 146224295 and 146224304.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305031 + ... + 305509.

It is an arithmetic number, because the mean of its divisors is an integer number (4860000).

Almost surely, 2146224330 is an apocalyptic number.

146224330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146224330 is an abundant number, since it is smaller than the sum of its proper divisors (164815670).

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

146224330 is an equidigital number, since it uses as much as digits as its factorization.

146224330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 146224330 is about 12092.3252519935. The cubic root of 146224330 is about 526.8332944074.

Adding to 146224330 its reverse (33422641), we get a palindrome (179646971).

The spelling of 146224330 in words is "one hundred forty-six million, two hundred twenty-four thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 89 98 178 245 343 445 479 490 623 686 890 958 1246 1715 2395 3115 3353 3430 4361 4790 6230 6706 8722 16765 21805 23471 30527 33530 42631 43610 46942 61054 85262 117355 152635 164297 213155 234710 298417 305270 328594 426310 596834 821485 1492085 1642970 2088919 2984170 4177838 10444595 14622433 20889190 29244866 73112165 146224330