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1293943044 = 223143974933
BaseRepresentation
bin100110100100000…
…0000000100000100
310100011210010011110
41031020000010010
510122222134134
6332221405020
744031222462
oct11510000404
93304703143
101293943044
11604440619
12301409770
131780c7094
14c3bc5832
15788e57e9
hex4d200104

1293943044 has 24 divisors (see below), whose sum is σ = 3021338880. Its totient is φ = 431008864.

The previous prime is 1293943037. The next prime is 1293943051. The reversal of 1293943044 is 4403493921.

It is an interprime number because it is at equal distance from previous prime (1293943037) and next prime (1293943051).

It is a super-2 number, since 2×12939430442 = 3348577202231971872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1293942993 and 1293943011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20199 + ... + 54734.

It is an arithmetic number, because the mean of its divisors is an integer number (125889120).

Almost surely, 21293943044 is an apocalyptic number.

It is an amenable number.

1293943044 is an abundant number, since it is smaller than the sum of its proper divisors (1727395836).

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

1293943044 is a wasteful number, since it uses less digits than its factorization.

1293943044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76379 (or 76377 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 1293943044 is about 35971.4198218530. The cubic root of 1293943044 is about 1089.6952389847.

The spelling of 1293943044 in words is "one billion, two hundred ninety-three million, nine hundred forty-three thousand, forty-four".

Divisors: 1 2 3 4 6 12 1439 2878 4317 5756 8634 17268 74933 149866 224799 299732 449598 899196 107828587 215657174 323485761 431314348 646971522 1293943044