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3209885142 = 233117257447
BaseRepresentation
bin1011111101010010…
…1111010111010110
322021200222001121220
42333110233113112
523033212311032
61250302551210
7142354400502
oct27724572726
98250861556
103209885142
1113a7995242
12756b98506
133c2020029
1422643d302
1513bc0212c
hexbf52f5d6

3209885142 has 16 divisors (see below), whose sum is σ = 6626860032. Its totient is φ = 1035446760.

The previous prime is 3209885131. The next prime is 3209885143. The reversal of 3209885142 is 2415889023.

It is a junction number, because it is equal to n+sod(n) for n = 3209885094 and 3209885103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3209885143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8628538 + ... + 8628909.

It is an arithmetic number, because the mean of its divisors is an integer number (414178752).

Almost surely, 23209885142 is an apocalyptic number.

3209885142 is an abundant number, since it is smaller than the sum of its proper divisors (3416974890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3209885142 is a wasteful number, since it uses less digits than its factorization.

3209885142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17257483.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 3209885142 is about 56655.8482594692. The cubic root of 3209885142 is about 1475.1284219508.

The spelling of 3209885142 in words is "three billion, two hundred nine million, eight hundred eighty-five thousand, one hundred forty-two".

Divisors: 1 2 3 6 31 62 93 186 17257447 34514894 51772341 103544682 534980857 1069961714 1604942571 3209885142