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146394620 = 22519385249
BaseRepresentation
bin10001011100111…
…00110111111100
3101012110121122222
420232130313330
5244434111440
622305424512
73425222321
oct1056346774
9335417588
10146394620
11756aa499
124103b138
1324438b48
141562ab48
15ccbb2b5
hex8b9cdfc

146394620 has 24 divisors (see below), whose sum is σ = 323610000. Its totient is φ = 55475712.

The previous prime is 146394557. The next prime is 146394637. The reversal of 146394620 is 26493641.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192245 + ... + 193004.

It is an arithmetic number, because the mean of its divisors is an integer number (13483750).

Almost surely, 2146394620 is an apocalyptic number.

146394620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146394620 is an abundant number, since it is smaller than the sum of its proper divisors (177215380).

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

146394620 is a wasteful number, since it uses less digits than its factorization.

146394620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385277 (or 385275 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 146394620 is about 12099.3644461186. The cubic root of 146394620 is about 527.0377283245.

The spelling of 146394620 in words is "one hundred forty-six million, three hundred ninety-four thousand, six hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 385249 770498 1540996 1926245 3852490 7319731 7704980 14639462 29278924 36598655 73197310 146394620