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42472134 = 2332233527
BaseRepresentation
bin1010001000000…
…1001011000110
32221220210211000
42202001023012
541333102014
64114154130
71024002315
oct242011306
987823730
1042472134
1121a79a41
1212282946
138a50b53
1458d827c
153ade509
hex28812c6

42472134 has 32 divisors (see below), whose sum is σ = 94832640. Its totient is φ = 14089896.

The previous prime is 42472127. The next prime is 42472147. The reversal of 42472134 is 43127424.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 42472098 and 42472107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10279 + ... + 13805.

It is an arithmetic number, because the mean of its divisors is an integer number (2963520).

Almost surely, 242472134 is an apocalyptic number.

42472134 is an abundant number, since it is smaller than the sum of its proper divisors (52360506).

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

42472134 is a wasteful number, since it uses less digits than its factorization.

42472134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761 (or 3755 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 42472134 is about 6517.0648301210. The cubic root of 42472134 is about 348.9003144384.

Adding to 42472134 its reverse (43127424), we get a palindrome (85599558).

The spelling of 42472134 in words is "forty-two million, four hundred seventy-two thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 223 446 669 1338 2007 3527 4014 6021 7054 10581 12042 21162 31743 63486 95229 190458 786521 1573042 2359563 4719126 7078689 14157378 21236067 42472134