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23869442 = 2311133407
BaseRepresentation
bin101101100001…
…1100000000010
31122220200201102
41123003200002
522102310232
62211334402
7406613132
oct133034002
948820642
1023869442
1112523513
127bb1402
134c3973c
143254ac2
152167662
hex16c3802

23869442 has 16 divisors (see below), whose sum is σ = 37297152. Its totient is φ = 11444160.

The previous prime is 23869441. The next prime is 23869457. The reversal of 23869442 is 24496832.

It is a happy number.

It is a super-2 number, since 2×238694422 = 1139500522782728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23869396 and 23869405.

It is not an unprimeable number, because it can be changed into a prime (23869441) 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, 5303 + ... + 8709.

It is an arithmetic number, because the mean of its divisors is an integer number (2331072).

Almost surely, 223869442 is an apocalyptic number.

23869442 is a deficient number, since it is larger than the sum of its proper divisors (13427710).

23869442 is a wasteful number, since it uses less digits than its factorization.

23869442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3553.

The product of its digits is 82944, while the sum is 38.

The square root of 23869442 is about 4885.6362942814. The cubic root of 23869442 is about 287.9259149075.

The spelling of 23869442 in words is "twenty-three million, eight hundred sixty-nine thousand, four hundred forty-two".

Divisors: 1 2 31 62 113 226 3407 3503 6814 7006 105617 211234 384991 769982 11934721 23869442