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23021030 = 253762219
BaseRepresentation
bin101011111010…
…0010111100110
31121022120220202
41113310113212
521343133110
62141230502
7366450464
oct127642746
947276822
1023021030
1111aa404a
127862432
134a00516
1430b3834
15204b0a5
hex15f45e6

23021030 has 16 divisors (see below), whose sum is σ = 42558480. Its totient is φ = 8959392.

The previous prime is 23021029. The next prime is 23021057. The reversal of 23021030 is 3012032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30740 + ... + 31479.

It is an arithmetic number, because the mean of its divisors is an integer number (2659905).

Almost surely, 223021030 is an apocalyptic number.

23021030 is a deficient number, since it is larger than the sum of its proper divisors (19537450).

23021030 is a wasteful number, since it uses less digits than its factorization.

23021030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62263.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 23021030 is about 4798.0235514220. The cubic root of 23021030 is about 284.4733477009.

Adding to 23021030 its reverse (3012032), we get a palindrome (26033062).

The spelling of 23021030 in words is "twenty-three million, twenty-one thousand, thirty".

Divisors: 1 2 5 10 37 74 185 370 62219 124438 311095 622190 2302103 4604206 11510515 23021030