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102947706 = 2331906439
BaseRepresentation
bin1100010001011…
…01101101111010
321011201021201000
412020231231322
5202323311311
614114305430
72360020041
oct610555572
9234637630
10102947706
1153125154
122a588276
1318436404
14d95b558
159088056
hex622db7a

102947706 has 16 divisors (see below), whose sum is σ = 228772800. Its totient is φ = 34315884.

The previous prime is 102947659. The next prime is 102947731. The reversal of 102947706 is 607749201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953166 + ... + 953273.

It is an arithmetic number, because the mean of its divisors is an integer number (14298300).

Almost surely, 2102947706 is an apocalyptic number.

102947706 is an abundant number, since it is smaller than the sum of its proper divisors (125825094).

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

102947706 is a wasteful number, since it uses less digits than its factorization.

102947706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906450 (or 1906444 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 102947706 is about 10146.3148975379. The cubic root of 102947706 is about 468.6754710309.

The spelling of 102947706 in words is "one hundred two million, nine hundred forty-seven thousand, seven hundred six".

Divisors: 1 2 3 6 9 18 27 54 1906439 3812878 5719317 11438634 17157951 34315902 51473853 102947706