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3955142 = 21977571
BaseRepresentation
bin1111000101100111000110
321102221102202
433011213012
52003031032
6220434502
745422012
oct17054706
97387382
103955142
112261614
1213a8a32
13a86329
1474d542
15531d62
hex3c59c6

3955142 has 4 divisors (see below), whose sum is σ = 5932716. Its totient is φ = 1977570.

The previous prime is 3955141. The next prime is 3955151. The reversal of 3955142 is 2415593.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3955141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 988784 + ... + 988787.

It is an arithmetic number, because the mean of its divisors is an integer number (1483179).

Almost surely, 23955142 is an apocalyptic number.

3955142 is a deficient number, since it is larger than the sum of its proper divisors (1977574).

3955142 is a wasteful number, since it uses less digits than its factorization.

3955142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977573.

The product of its digits is 5400, while the sum is 29.

The square root of 3955142 is about 1988.7538812030. The cubic root of 3955142 is about 158.1444760858.

It can be divided in two parts, 39551 and 42, that added together give a palindrome (39593).

The spelling of 3955142 in words is "three million, nine hundred fifty-five thousand, one hundred forty-two".

Divisors: 1 2 1977571 3955142