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42075432 = 23327312693
BaseRepresentation
bin1010000010000…
…0010100101000
32221011122122100
42200200110220
541232403212
64101453400
71020430620
oct240402450
987148570
1042075432
1121828993
1212111260
138942409
145833880
153a61bdc
hex2820528

42075432 has 96 divisors (see below), whose sum is σ = 134484480. Its totient is φ = 11629440.

The previous prime is 42075413. The next prime is 42075499. The reversal of 42075432 is 23457024.

It is a junction number, because it is equal to n+sod(n) for n = 42075396 and 42075405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14278 + ... + 16970.

It is an arithmetic number, because the mean of its divisors is an integer number (1400880).

Almost surely, 242075432 is an apocalyptic number.

42075432 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42075432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67242240).

42075432 is an abundant number, since it is smaller than the sum of its proper divisors (92409048).

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

42075432 is a wasteful number, since it uses less digits than its factorization.

42075432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743 (or 2736 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 42075432 is about 6486.5577928513. The cubic root of 42075432 is about 347.8106381599.

The spelling of 42075432 in words is "forty-two million, seventy-five thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 31 36 42 56 62 63 72 84 93 124 126 168 186 217 248 252 279 372 434 504 558 651 744 868 1116 1302 1736 1953 2232 2604 2693 3906 5208 5386 7812 8079 10772 15624 16158 18851 21544 24237 32316 37702 48474 56553 64632 75404 83483 96948 113106 150808 166966 169659 193896 226212 250449 333932 339318 452424 500898 584381 667864 678636 751347 1001796 1168762 1357272 1502694 1753143 2003592 2337524 3005388 3506286 4675048 5259429 6010776 7012572 10518858 14025144 21037716 42075432