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42151344 = 243878153
BaseRepresentation
bin1010000011001…
…0110110110000
32221022111202220
42200302312300
541242320334
64103241040
71021165134
oct240626660
987274686
1042151344
112187aa24
1212149180
13896ab31
1458533c4
153a79449
hex2832db0

42151344 has 20 divisors (see below), whose sum is σ = 108891096. Its totient is φ = 14050432.

The previous prime is 42151337. The next prime is 42151349. The reversal of 42151344 is 44315124.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (42151349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439029 + ... + 439124.

Almost surely, 242151344 is an apocalyptic number.

It is an amenable number.

42151344 is an abundant number, since it is smaller than the sum of its proper divisors (66739752).

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

42151344 is a wasteful number, since it uses less digits than its factorization.

42151344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878164 (or 878158 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 42151344 is about 6492.4066416083. The cubic root of 42151344 is about 348.0196844461.

Adding to 42151344 its reverse (44315124), we get a palindrome (86466468).

The spelling of 42151344 in words is "forty-two million, one hundred fifty-one thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 878153 1756306 2634459 3512612 5268918 7025224 10537836 14050448 21075672 42151344