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32030146 = 216015073
BaseRepresentation
bin111101000101…
…1110111000010
32020021022002201
41322023313002
531144431041
63102303414
7536152231
oct172136702
966238081
1032030146
11170977a5
12a887b6a
136836065
14437ab18
152c2a631
hex1e8bdc2

32030146 has 4 divisors (see below), whose sum is σ = 48045222. Its totient is φ = 16015072.

The previous prime is 32030107. The next prime is 32030149. The reversal of 32030146 is 64103023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64103023 = 531209491.

It can be written as a sum of positive squares in only one way, i.e., 23415921 + 8614225 = 4839^2 + 2935^2 .

It is not an unprimeable number, because it can be changed into a prime (32030149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8007535 + ... + 8007538.

Almost surely, 232030146 is an apocalyptic number.

32030146 is a deficient number, since it is larger than the sum of its proper divisors (16015076).

32030146 is a wasteful number, since it uses less digits than its factorization.

32030146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16015075.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 32030146 is about 5659.5181773716. The cubic root of 32030146 is about 317.5798745038.

Adding to 32030146 its reverse (64103023), we get a palindrome (96133169).

The spelling of 32030146 in words is "thirty-two million, thirty thousand, one hundred forty-six".

Divisors: 1 2 16015073 32030146