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75023042 = 242189101
BaseRepresentation
bin1000111100011…
…00001011000010
312020011120021012
410132030023002
5123201214132
611240000522
71600454033
oct436141302
9166146235
1075023042
1139391a16
1221160142
1312709c43
149d6ca8a
1568be0b2
hex478c2c2

75023042 has 8 divisors (see below), whose sum is σ = 112803132. Its totient is φ = 37422000.

The previous prime is 75023021. The next prime is 75023051. The reversal of 75023042 is 24032057.

It can be written as a sum of positive squares in 2 ways, for example, as 45549001 + 29474041 = 6749^2 + 5429^2 .

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 = 75022999 and 75023017.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 43709 + ... + 45392.

Almost surely, 275023042 is an apocalyptic number.

75023042 is a deficient number, since it is larger than the sum of its proper divisors (37780090).

75023042 is a wasteful number, since it uses less digits than its factorization.

75023042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89524.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 75023042 is about 8661.5842661721. The cubic root of 75023042 is about 421.7595157299.

Adding to 75023042 its reverse (24032057), we get a palindrome (99055099).

The spelling of 75023042 in words is "seventy-five million, twenty-three thousand, forty-two".

Divisors: 1 2 421 842 89101 178202 37511521 75023042