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83129193 = 337569773
BaseRepresentation
bin1001111010001…
…11001101101001
312210102101211000
410331013031221
5132240113233
612125425213
72026405110
oct475071551
9183371730
1083129193
1142a19214
1223a0b209
13142b7794
14b07cc77
157470d13
hex4f47369

83129193 has 32 divisors (see below), whose sum is σ = 141177600. Its totient is φ = 47357568.

The previous prime is 83129173. The next prime is 83129203. The reversal of 83129193 is 39192138.

It is not a de Polignac number, because 83129193 - 210 = 83128169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83129173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107155 + ... + 107927.

It is an arithmetic number, because the mean of its divisors is an integer number (4411800).

Almost surely, 283129193 is an apocalyptic number.

It is an amenable number.

83129193 is a deficient number, since it is larger than the sum of its proper divisors (58048407).

83129193 is a wasteful number, since it uses less digits than its factorization.

83129193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358 (or 1352 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 83129193 is about 9117.5212091884. The cubic root of 83129193 is about 436.4332747169.

The spelling of 83129193 in words is "eighty-three million, one hundred twenty-nine thousand, one hundred ninety-three".

Divisors: 1 3 7 9 21 27 63 189 569 773 1707 2319 3983 5121 5411 6957 11949 15363 16233 20871 35847 48699 107541 146097 439837 1319511 3078859 3958533 9236577 11875599 27709731 83129193