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447000540 = 223572152041
BaseRepresentation
bin11010101001001…
…010111111011100
31011011002222110120
4122221022333130
51403413004130
6112204434540
714035304400
oct3251127734
91134088416
10447000540
1120a358138
12105848a50
13717b967c
144351b100
1529399910
hex1aa4afdc

447000540 has 72 divisors (see below), whose sum is σ = 1455954192. Its totient is φ = 102170880.

The previous prime is 447000529. The next prime is 447000551. The reversal of 447000540 is 45000744.

It is an interprime number because it is at equal distance from previous prime (447000529) and next prime (447000551).

It is a self number, because there is not a number n which added to its sum of digits gives 447000540.

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 23 ways as a sum of consecutive naturals, for example, 73081 + ... + 78960.

It is an arithmetic number, because the mean of its divisors is an integer number (20221586).

Almost surely, 2447000540 is an apocalyptic number.

It is an amenable number.

447000540 is an abundant number, since it is smaller than the sum of its proper divisors (1008953652).

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

447000540 is a wasteful number, since it uses less digits than its factorization.

447000540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152067 (or 152058 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 447000540 is about 21142.3872824239. The cubic root of 447000540 is about 764.6030321150.

The spelling of 447000540 in words is "four hundred forty-seven million, five hundred forty", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 588 735 980 1470 2940 152041 304082 456123 608164 760205 912246 1064287 1520410 1824492 2128574 2280615 3040820 3192861 4257148 4561230 5321435 6385722 7450009 9122460 10642870 12771444 14900018 15964305 21285740 22350027 29800036 31928610 37250045 44700054 63857220 74500090 89400108 111750135 149000180 223500270 447000540