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23060388 = 22313283137
BaseRepresentation
bin101011111110…
…1111110100100
31121101120220110
41113331332210
521400413023
62142133020
7400003311
oct127757644
947346813
1023060388
111202067a
127881170
134a15400
1430c3d08
152057a93
hex15fdfa4

23060388 has 72 divisors (see below), whose sum is σ = 59397408. Its totient is φ = 6958848.

The previous prime is 23060383. The next prime is 23060399. The reversal of 23060388 is 88306032.

It is not an unprimeable number, because it can be changed into a prime (23060383) 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 23 ways as a sum of consecutive naturals, for example, 168256 + ... + 168392.

It is an arithmetic number, because the mean of its divisors is an integer number (824964).

Almost surely, 223060388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23060388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29698704).

23060388 is an abundant number, since it is smaller than the sum of its proper divisors (36337020).

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

23060388 is a wasteful number, since it uses less digits than its factorization.

23060388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 23060388 is about 4802.1232803834. The cubic root of 23060388 is about 284.6353724158.

The spelling of 23060388 in words is "twenty-three million, sixty thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 83 137 156 166 169 249 274 332 338 411 498 507 548 676 822 996 1014 1079 1644 1781 2028 2158 3237 3562 4316 5343 6474 7124 10686 11371 12948 14027 21372 22742 23153 28054 34113 42081 45484 46306 56108 68226 69459 84162 92612 136452 138918 147823 168324 277836 295646 443469 591292 886938 1773876 1921699 3843398 5765097 7686796 11530194 23060388