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23154030 = 2325367701
BaseRepresentation
bin101100001010…
…0110101101110
31121120100100200
41120110311232
521411412110
62144134330
7400543314
oct130246556
947510320
1023154030
1112084a69
1279073a6
134a48c13
14310a0b4
1520756c0
hex1614d6e

23154030 has 48 divisors (see below), whose sum is σ = 60450624. Its totient is φ = 6148800.

The previous prime is 23154029. The next prime is 23154041. The reversal of 23154030 is 3045132.

It is a super-2 number, since 2×231540302 = 1072218210481800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23153994 and 23154012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32680 + ... + 33380.

It is an arithmetic number, because the mean of its divisors is an integer number (1259388).

Almost surely, 223154030 is an apocalyptic number.

23154030 is an abundant number, since it is smaller than the sum of its proper divisors (37296594).

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

23154030 is a wasteful number, since it uses less digits than its factorization.

23154030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1078 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 23154030 is about 4811.8634643971. The cubic root of 23154030 is about 285.0201278490.

Adding to 23154030 its reverse (3045132), we get a palindrome (26199162).

The spelling of 23154030 in words is "twenty-three million, one hundred fifty-four thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 367 701 734 1101 1402 1835 2103 2202 3303 3505 3670 4206 5505 6309 6606 7010 10515 11010 12618 16515 21030 31545 33030 63090 257267 514534 771801 1286335 1543602 2315403 2572670 3859005 4630806 7718010 11577015 23154030