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23097000 = 233537699
BaseRepresentation
bin101100000011…
…0111010101000
31121110110010110
41120012322220
521403101000
62143014320
7400215123
oct130067250
947413113
1023097000
1112046133
12789a3a0
134a28c84
1430d33ba
152063850
hex1606ea8

23097000 has 64 divisors (see below), whose sum is σ = 72072000. Its totient is φ = 6158400.

The previous prime is 23096987. The next prime is 23097001. The reversal of 23097000 is 79032.

It is not an unprimeable number, because it can be changed into a prime (23097001) 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 15 ways as a sum of consecutive naturals, for example, 850 + ... + 6849.

It is an arithmetic number, because the mean of its divisors is an integer number (1126125).

Almost surely, 223097000 is an apocalyptic number.

23097000 is a gapful number since it is divisible by the number (20) 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 23097000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36036000).

23097000 is an abundant number, since it is smaller than the sum of its proper divisors (48975000).

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

23097000 is a wasteful number, since it uses less digits than its factorization.

23097000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7723 (or 7709 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 23097000 is about 4805.9338322536. The cubic root of 23097000 is about 284.7859272704.

The spelling of 23097000 in words is "twenty-three million, ninety-seven thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 750 1000 1500 3000 7699 15398 23097 30796 38495 46194 61592 76990 92388 115485 153980 184776 192475 230970 307960 384950 461940 577425 769900 923880 962375 1154850 1539800 1924750 2309700 2887125 3849500 4619400 5774250 7699000 11548500 23097000