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23140593 = 337217491
BaseRepresentation
bin101100001000…
…1100011110001
31121112122221000
41120101203301
521410444333
62143552213
7400456200
oct130214361
947478830
1023140593
1112075963
1278bb669
134a42a78
143105237
152071713
hex16118f1

23140593 has 24 divisors (see below), whose sum is σ = 39881760. Its totient is φ = 13222440.

The previous prime is 23140589. The next prime is 23140597. The reversal of 23140593 is 39504132.

23140593 is a `hidden beast` number, since 2 + 31 + 40 + 593 = 666.

It is an interprime number because it is at equal distance from previous prime (23140589) and next prime (23140597).

It is not a de Polignac number, because 23140593 - 22 = 23140589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23140597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7423 + ... + 10068.

It is an arithmetic number, because the mean of its divisors is an integer number (1661740).

Almost surely, 223140593 is an apocalyptic number.

It is an amenable number.

23140593 is a deficient number, since it is larger than the sum of its proper divisors (16741167).

23140593 is a wasteful number, since it uses less digits than its factorization.

23140593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17514 (or 17501 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 23140593 is about 4810.4670251442. The cubic root of 23140593 is about 284.9649818471.

The spelling of 23140593 in words is "twenty-three million, one hundred forty thousand, five hundred ninety-three".

Divisors: 1 3 7 9 21 27 49 63 147 189 441 1323 17491 52473 122437 157419 367311 472257 857059 1101933 2571177 3305799 7713531 23140593