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42103412 = 22135315277
BaseRepresentation
bin1010000010011…
…1001001110100
32221020002000122
42200213021310
541234302122
64102231112
71020605321
oct240471164
987202018
1042103412
1121847a0a
1212125498
138952080
14583db48
153a6a142
hex2827274

42103412 has 24 divisors (see below), whose sum is σ = 80851176. Its totient is φ = 19064448.

The previous prime is 42103393. The next prime is 42103417. The reversal of 42103412 is 21430124.

It can be written as a sum of positive squares in 4 ways, for example, as 164836 + 41938576 = 406^2 + 6476^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42103417) 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 7 ways as a sum of consecutive naturals, for example, 4883 + ... + 10394.

It is an arithmetic number, because the mean of its divisors is an integer number (3368799).

Almost surely, 242103412 is an apocalyptic number.

It is an amenable number.

42103412 is a deficient number, since it is larger than the sum of its proper divisors (38747764).

42103412 is a wasteful number, since it uses less digits than its factorization.

42103412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15347 (or 15345 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 42103412 is about 6488.7142023671. The cubic root of 42103412 is about 347.8877186539.

Adding to 42103412 its reverse (21430124), we get a palindrome (63533536).

The spelling of 42103412 in words is "forty-two million, one hundred three thousand, four hundred twelve".

Divisors: 1 2 4 13 26 52 53 106 212 689 1378 2756 15277 30554 61108 198601 397202 794404 809681 1619362 3238724 10525853 21051706 42103412