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23993088 = 28374463
BaseRepresentation
bin101101110000…
…1101100000000
31200010222022220
41123201230000
522120234323
62214131040
7410636460
oct133415400
950128286
1023993088
11125a83a9
128050a80
134c80ac2
143287ba0
15218e0e3
hex16e1b00

23993088 has 72 divisors (see below), whose sum is σ = 72995328. Its totient is φ = 6853632.

The previous prime is 23993087. The next prime is 23993089. The reversal of 23993088 is 88039932.

It is an interprime number because it is at equal distance from previous prime (23993087) and next prime (23993089).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (23993083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3145 + ... + 7607.

It is an arithmetic number, because the mean of its divisors is an integer number (1013824).

Almost surely, 223993088 is an apocalyptic number.

23993088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23993088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36497664).

23993088 is an abundant number, since it is smaller than the sum of its proper divisors (49002240).

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

23993088 is an equidigital number, since it uses as much as digits as its factorization.

23993088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4489 (or 4475 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 23993088 is about 4898.2739817205. The cubic root of 23993088 is about 288.4222202110.

The spelling of 23993088 in words is "twenty-three million, nine hundred ninety-three thousand, eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 672 768 896 1344 1792 2688 4463 5376 8926 13389 17852 26778 31241 35704 53556 62482 71408 93723 107112 124964 142816 187446 214224 249928 285632 374892 428448 499856 571264 749784 856896 999712 1142528 1499568 1713792 1999424 2999136 3427584 3998848 5998272 7997696 11996544 23993088