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2943450420 = 2235174728081
BaseRepresentation
bin1010111101110001…
…0111110100110100
321121010121202220020
42233130113310310
522012010403140
61204024205140
7132640626051
oct25734276464
97533552806
102943450420
111280556959
126a19097b0
1337ba74c51
141dccc6028
151236236d0
hexaf717d34

2943450420 has 48 divisors (see below), whose sum is σ = 8246672448. Its totient is φ = 784442880.

The previous prime is 2943450409. The next prime is 2943450421. The reversal of 2943450420 is 240543492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943450421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90780 + ... + 118860.

It is an arithmetic number, because the mean of its divisors is an integer number (171805676).

Almost surely, 22943450420 is an apocalyptic number.

2943450420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2943450420 is an abundant number, since it is smaller than the sum of its proper divisors (5303222028).

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

2943450420 is a wasteful number, since it uses less digits than its factorization.

2943450420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29840 (or 29838 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 2943450420 is about 54253.5751817334. The cubic root of 2943450420 is about 1433.1299593667.

The spelling of 2943450420 in words is "two billion, nine hundred forty-three million, four hundred fifty thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1747 3494 5241 6988 8735 10482 17470 20964 26205 28081 34940 52410 56162 84243 104820 112324 140405 168486 280810 336972 421215 561620 842430 1684860 49057507 98115014 147172521 196230028 245287535 294345042 490575070 588690084 735862605 981150140 1471725210 2943450420