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1043223040 = 295407509
BaseRepresentation
bin111110001011100…
…101001000000000
32200201000012222101
4332023211020000
54114031114130
6251303520144
734565151406
oct7613451000
92621005871
101043223040
11495965a02
12251459054
13138191a52
149c79d476
15618bd1ca
hex3e2e5200

1043223040 has 40 divisors (see below), whose sum is σ = 2501296380. Its totient is φ = 417288192.

The previous prime is 1043223007. The next prime is 1043223047. The reversal of 1043223040 is 403223401.

1043223040 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1016844544 + 26378496 = 31888^2 + 5136^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×10432230402 = 2176628622373683200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1043222999 and 1043223017.

It is not an unprimeable number, because it can be changed into a prime (1043223047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201195 + ... + 206314.

Almost surely, 21043223040 is an apocalyptic number.

1043223040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043223040 is an abundant number, since it is smaller than the sum of its proper divisors (1458073340).

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

1043223040 is an frugal number, since it uses more digits than its factorization.

1043223040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407532 (or 407516 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1043223040 is about 32298.9634508602. The cubic root of 1043223040 is about 1014.2049441355.

Adding to 1043223040 its reverse (403223401), we get a palindrome (1446446441).

The spelling of 1043223040 in words is "one billion, forty-three million, two hundred twenty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1280 2560 407509 815018 1630036 2037545 3260072 4075090 6520144 8150180 13040288 16300360 26080576 32600720 52161152 65201440 104322304 130402880 208644608 260805760 521611520 1043223040