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75214742 = 2311213141
BaseRepresentation
bin1000111101110…
…10111110010110
312020112022020012
410132322332112
5123223332432
611244040222
71602212651
oct436727626
9166468205
1075214742
1139502a49
1221233072
1312776285
149dbc898
15690acb2
hex47baf96

75214742 has 8 divisors (see below), whose sum is σ = 116461632. Its totient is φ = 36394200.

The previous prime is 75214739. The next prime is 75214751. The reversal of 75214742 is 24741257.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 75214699 and 75214708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606509 + ... + 606632.

It is an arithmetic number, because the mean of its divisors is an integer number (14557704).

Almost surely, 275214742 is an apocalyptic number.

75214742 is a deficient number, since it is larger than the sum of its proper divisors (41246890).

75214742 is a wasteful number, since it uses less digits than its factorization.

75214742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213174.

The product of its digits is 15680, while the sum is 32.

The square root of 75214742 is about 8672.6433110096. The cubic root of 75214742 is about 422.1184389374.

Adding to 75214742 its reverse (24741257), we get a palindrome (99955999).

It can be divided in two parts, 75 and 214742, that multiplied together give a triangular number (16105650 = T5675).

The spelling of 75214742 in words is "seventy-five million, two hundred fourteen thousand, seven hundred forty-two".

Divisors: 1 2 31 62 1213141 2426282 37607371 75214742