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1072488444 = 223308928933
BaseRepresentation
bin111111111011001…
…101111111111100
32202202002001120020
4333323031333330
54144024112234
6254231052140
735402000316
oct7773157774
92682061506
101072488444
11500434495
1225b211050
1314126a561
14a261a7b6
156424e549
hex3fecdffc

1072488444 has 24 divisors (see below), whose sum is σ = 2503369680. Its totient is φ = 357368064.

The previous prime is 1072488433. The next prime is 1072488449. The reversal of 1072488444 is 4448842701.

It is a super-2 number, since 2×10724884442 = 2300462925027082272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1072488396 and 1072488405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072488449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22602 + ... + 51534.

It is an arithmetic number, because the mean of its divisors is an integer number (104307070).

Almost surely, 21072488444 is an apocalyptic number.

It is an amenable number.

1072488444 is an abundant number, since it is smaller than the sum of its proper divisors (1430881236).

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

1072488444 is a wasteful number, since it uses less digits than its factorization.

1072488444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32029 (or 32027 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 42.

The square root of 1072488444 is about 32748.8693545289. The cubic root of 1072488444 is about 1023.6014060951.

The spelling of 1072488444 in words is "one billion, seventy-two million, four hundred eighty-eight thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 3089 6178 9267 12356 18534 28933 37068 57866 86799 115732 173598 347196 89374037 178748074 268122111 357496148 536244222 1072488444