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32100142 = 216050071
BaseRepresentation
bin111101001110…
…0111100101110
32020101212010011
41322130330232
531204201032
63104003434
7536563264
oct172347456
966355104
1032100142
1117135348
12a90057a
13685bb89
144398434
152c41247
hex1e9cf2e

32100142 has 4 divisors (see below), whose sum is σ = 48150216. Its totient is φ = 16050070.

The previous prime is 32100121. The next prime is 32100151. The reversal of 32100142 is 24100123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24100123 = 24679769.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8025034 + ... + 8025037.

It is an arithmetic number, because the mean of its divisors is an integer number (12037554).

Almost surely, 232100142 is an apocalyptic number.

32100142 is a deficient number, since it is larger than the sum of its proper divisors (16050074).

32100142 is a wasteful number, since it uses less digits than its factorization.

32100142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16050073.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 32100142 is about 5665.6987212523. The cubic root of 32100142 is about 317.8110436845.

Adding to 32100142 its reverse (24100123), we get a palindrome (56200265).

The spelling of 32100142 in words is "thirty-two million, one hundred thousand, one hundred forty-two".

Divisors: 1 2 16050071 32100142