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9216930240 = 263257457189
BaseRepresentation
bin10001001010101111…
…10011000111000000
3212210100021120100200
420211113303013000
5122334013231430
64122330445200
7444255420510
oct104527630700
925710246320
109216930240
1139aa798121
121952893800
13b3b6b469b
14636163840
1538e27c460
hex2255f31c0

9216930240 has 168 divisors, whose sum is σ = 36231393120. Its totient is φ = 2106722304.

The previous prime is 9216930227. The next prime is 9216930271. The reversal of 9216930240 is 420396129.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 9216930195 and 9216930204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208435 + ... + 248754.

Almost surely, 29216930240 is an apocalyptic number.

9216930240 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9216930240 is an abundant number, since it is smaller than the sum of its proper divisors (27014462880).

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

9216930240 is a wasteful number, since it uses less digits than its factorization.

9216930240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457219 (or 457206 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 9216930240 is about 96004.8448777456. The cubic root of 9216930240 is about 2096.6636546163.

The spelling of 9216930240 in words is "nine billion, two hundred sixteen million, nine hundred thirty thousand, two hundred forty".