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82441432 = 23172920903
BaseRepresentation
bin1001110100111…
…11010011011000
312202010110101101
410322133103120
5132101111212
612103001144
72020512013
oct472372330
9182113341
1082441432
1142599517
12237391b4
1314106718
14ad4037a
157387157
hex4e9f4d8

82441432 has 32 divisors (see below), whose sum is σ = 169322400. Its totient is φ = 37456384.

The previous prime is 82441427. The next prime is 82441433. The reversal of 82441432 is 23414428.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 82441432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82441433) 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, 6508 + ... + 14395.

It is an arithmetic number, because the mean of its divisors is an integer number (5291325).

Almost surely, 282441432 is an apocalyptic number.

It is an amenable number.

82441432 is an abundant number, since it is smaller than the sum of its proper divisors (86880968).

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

82441432 is a wasteful number, since it uses less digits than its factorization.

82441432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20955 (or 20951 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 82441432 is about 9079.7264275968. The cubic root of 82441432 is about 435.2263445296.

The spelling of 82441432 in words is "eighty-two million, four hundred forty-one thousand, four hundred thirty-two".

Divisors: 1 2 4 8 17 29 34 58 68 116 136 232 493 986 1972 3944 20903 41806 83612 167224 355351 606187 710702 1212374 1421404 2424748 2842808 4849496 10305179 20610358 41220716 82441432