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83846742 = 2372535381
BaseRepresentation
bin1001111111101…
…10011001010110
312211202212002220
410333312121112
5132431043432
612153043210
72035454100
oct477663126
9184685086
1083846742
1143369331
12240b6506
13144a9275
14b1c8570
15756372c
hex4ff6656

83846742 has 48 divisors (see below), whose sum is σ = 198789552. Its totient is φ = 23499840.

The previous prime is 83846713. The next prime is 83846759. The reversal of 83846742 is 24764838.

It is a super-2 number, since 2×838467422 = 14060552288029128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 83846694 and 83846703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12892 + ... + 18272.

It is an arithmetic number, because the mean of its divisors is an integer number (4141449).

Almost surely, 283846742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83846742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99394776).

83846742 is an abundant number, since it is smaller than the sum of its proper divisors (114942810).

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

83846742 is a wasteful number, since it uses less digits than its factorization.

83846742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5453 (or 5446 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 83846742 is about 9156.7866634535. The cubic root of 83846742 is about 437.6854040849.

The spelling of 83846742 in words is "eighty-three million, eight hundred forty-six thousand, seven hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 49 53 98 106 147 159 294 318 371 742 1113 2226 2597 5194 5381 7791 10762 15582 16143 32286 37667 75334 113001 226002 263669 285193 527338 570386 791007 855579 1582014 1711158 1996351 3992702 5989053 11978106 13974457 27948914 41923371 83846742