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83939492 = 227131953229
BaseRepresentation
bin1010000000011…
…01000010100100
312211221120100002
411000031002210
5132442030432
612155040432
72036321360
oct500150244
9184846302
1083939492
1143421a8a
1224140118
131450c550
14b2102a0
157580e62
hex500d0a4

83939492 has 96 divisors (see below), whose sum is σ = 194745600. Its totient is φ = 30730752.

The previous prime is 83939447. The next prime is 83939497. The reversal of 83939492 is 29493938.

It is not an unprimeable number, because it can be changed into a prime (83939497) 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, 366434 + ... + 366662.

It is an arithmetic number, because the mean of its divisors is an integer number (2028600).

Almost surely, 283939492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83939492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97372800).

83939492 is an abundant number, since it is smaller than the sum of its proper divisors (110806108).

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

83939492 is a wasteful number, since it uses less digits than its factorization.

83939492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 323 counting only the distinct ones).

The product of its digits is 419904, while the sum is 47.

The square root of 83939492 is about 9161.8498132200. The cubic root of 83939492 is about 437.8467316086.

The spelling of 83939492 in words is "eighty-three million, nine hundred thirty-nine thousand, four hundred ninety-two".

Divisors: 1 2 4 7 13 14 19 26 28 38 52 53 76 91 106 133 182 212 229 247 266 364 371 458 494 532 689 742 916 988 1007 1378 1484 1603 1729 2014 2756 2977 3206 3458 4028 4351 4823 5954 6412 6916 7049 8702 9646 11908 12137 13091 14098 17404 19292 20839 24274 26182 28196 30457 41678 48548 52364 56563 60914 83356 84959 91637 113126 121828 157781 169918 183274 226252 230603 315562 339836 366548 395941 461206 631124 791882 922412 1104467 1583764 1614221 2208934 2997839 3228442 4417868 5995678 6456884 11991356 20984873 41969746 83939492