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42132030 = 2359471483
BaseRepresentation
bin1010000010111…
…0001000111110
32221021112021120
42200232020332
541241211110
64103011410
71021054623
oct240561076
987245246
1042132030
1121867466
1212139b66
1389620c5
14584a34a
153a73870
hex282e23e

42132030 has 32 divisors (see below), whose sum is σ = 101291904. Its totient is φ = 11215776.

The previous prime is 42132017. The next prime is 42132031. The reversal of 42132030 is 3023124.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42132031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27669 + ... + 29151.

It is an arithmetic number, because the mean of its divisors is an integer number (3165372).

Almost surely, 242132030 is an apocalyptic number.

42132030 is an abundant number, since it is smaller than the sum of its proper divisors (59159874).

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

42132030 is a wasteful number, since it uses less digits than its factorization.

42132030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 42132030 is about 6490.9190412452. The cubic root of 42132030 is about 347.9665214193.

Adding to 42132030 its reverse (3023124), we get a palindrome (45155154).

The spelling of 42132030 in words is "forty-two million, one hundred thirty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 947 1483 1894 2841 2966 4449 4735 5682 7415 8898 9470 14205 14830 22245 28410 44490 1404401 2808802 4213203 7022005 8426406 14044010 21066015 42132030