Search a number
-
+
117409620 = 223519310139
BaseRepresentation
bin1101111111110…
…00011101010100
322011221000201110
412333320131110
5220024101440
615352255020
72623652046
oct677703524
9264830643
10117409620
1160302649
12333a1470
131b42ab63
1411843a96
15a493080
hex6ff8754

117409620 has 48 divisors (see below), whose sum is σ = 330482880. Its totient is φ = 31143936.

The previous prime is 117409577. The next prime is 117409627. The reversal of 117409620 is 26904711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117409627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6511 + ... + 16649.

It is an arithmetic number, because the mean of its divisors is an integer number (6885060).

Almost surely, 2117409620 is an apocalyptic number.

117409620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117409620 is an abundant number, since it is smaller than the sum of its proper divisors (213073260).

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

117409620 is a wasteful number, since it uses less digits than its factorization.

117409620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10344 (or 10342 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 117409620 is about 10835.5719738277. The cubic root of 117409620 is about 489.6674405956.

The spelling of 117409620 in words is "one hundred seventeen million, four hundred nine thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 193 386 579 772 965 1158 1930 2316 2895 3860 5790 10139 11580 20278 30417 40556 50695 60834 101390 121668 152085 202780 304170 608340 1956827 3913654 5870481 7827308 9784135 11740962 19568270 23481924 29352405 39136540 58704810 117409620