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117930040 = 2357340387
BaseRepresentation
bin1110000011101…
…11100000111000
322012220110121021
413001313200320
5220142230130
615411352224
72631250234
oct701674070
9265813537
10117930040
1160628648
12335b2674
131b5809b7
141193b5c4
15a54737a
hex7077838

117930040 has 32 divisors (see below), whose sum is σ = 268984080. Its totient is φ = 46524672.

The previous prime is 117930013. The next prime is 117930049. The reversal of 117930040 is 40039711.

It is a junction number, because it is equal to n+sod(n) for n = 117929987 and 117930014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117930049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17274 + ... + 23113.

Almost surely, 2117930040 is an apocalyptic number.

117930040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117930040 is an abundant number, since it is smaller than the sum of its proper divisors (151054040).

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

117930040 is a wasteful number, since it uses less digits than its factorization.

117930040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40471 (or 40467 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 117930040 is about 10859.5598437506. The cubic root of 117930040 is about 490.3898604938.

Adding to 117930040 its reverse (40039711), we get a palindrome (157969751).

The spelling of 117930040 in words is "one hundred seventeen million, nine hundred thirty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 73 146 292 365 584 730 1460 2920 40387 80774 161548 201935 323096 403870 807740 1615480 2948251 5896502 11793004 14741255 23586008 29482510 58965020 117930040