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42513154 = 2234321493
BaseRepresentation
bin1010001000101…
…1001100000010
32221222220002021
42202023030002
541340410104
64115112054
71024233025
oct242131402
987886067
1042513154
1121aa7842
12122a262a
138a66718
1459091bc
153aeb754
hex288b302

42513154 has 16 divisors (see below), whose sum is σ = 68092992. Its totient is φ = 19858608.

The previous prime is 42513143. The next prime is 42513169. The reversal of 42513154 is 45131524.

It is a happy 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, 8769 + ... + 12724.

It is an arithmetic number, because the mean of its divisors is an integer number (4255812).

Almost surely, 242513154 is an apocalyptic number.

42513154 is a deficient number, since it is larger than the sum of its proper divisors (25579838).

42513154 is a wasteful number, since it uses less digits than its factorization.

42513154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21561.

The product of its digits is 2400, while the sum is 25.

The square root of 42513154 is about 6520.2111928986. The cubic root of 42513154 is about 349.0126020687.

Adding to 42513154 its reverse (45131524), we get a palindrome (87644678).

The spelling of 42513154 in words is "forty-two million, five hundred thirteen thousand, one hundred fifty-four".

Divisors: 1 2 23 43 46 86 989 1978 21493 42986 494339 924199 988678 1848398 21256577 42513154