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23001030 = 2335136553
BaseRepresentation
bin101011110111…
…1011111000110
31121021120111000
41113233133012
521342013110
62140554130
7366335253
oct127573706
947246430
1023001030
1111a90018
127852946
1349c43a0
1430aa42a
1520451c0
hex15ef7c6

23001030 has 64 divisors (see below), whose sum is σ = 66064320. Its totient is φ = 5660928.

The previous prime is 23001019. The next prime is 23001049. The reversal of 23001030 is 3010032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 234 + ... + 6786.

It is an arithmetic number, because the mean of its divisors is an integer number (1032255).

Almost surely, 223001030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23001030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33032160).

23001030 is an abundant number, since it is smaller than the sum of its proper divisors (43063290).

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

23001030 is a wasteful number, since it uses less digits than its factorization.

23001030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6582 (or 6576 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 23001030 is about 4795.9389070337. The cubic root of 23001030 is about 284.3909431145.

Adding to 23001030 its reverse (3010032), we get a palindrome (26011062).

The spelling of 23001030 in words is "twenty-three million, one thousand, thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 90 117 130 135 195 234 270 351 390 585 702 1170 1755 3510 6553 13106 19659 32765 39318 58977 65530 85189 98295 117954 170378 176931 196590 255567 294885 353862 425945 511134 589770 766701 851890 884655 1277835 1533402 1769310 2300103 2555670 3833505 4600206 7667010 11500515 23001030