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82445148 = 2233763381
BaseRepresentation
bin1001110101000…
…00001101011100
312202010122111000
410322200031130
5132101221043
612103030300
72020525602
oct472401534
9182118430
1082445148
11425a1295
122373b390
1314108316
14ad41872
1573882d3
hex4ea035c

82445148 has 24 divisors (see below), whose sum is σ = 213746960. Its totient is φ = 27481680.

The previous prime is 82445141. The next prime is 82445159. The reversal of 82445148 is 84154428.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82445141) 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, 381583 + ... + 381798.

Almost surely, 282445148 is an apocalyptic number.

It is an amenable number.

82445148 is an abundant number, since it is smaller than the sum of its proper divisors (131301812).

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

82445148 is a wasteful number, since it uses less digits than its factorization.

82445148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763394 (or 763386 counting only the distinct ones).

The product of its digits is 40960, while the sum is 36.

The square root of 82445148 is about 9079.9310570070. The cubic root of 82445148 is about 435.2328836235.

The spelling of 82445148 in words is "eighty-two million, four hundred forty-five thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 763381 1526762 2290143 3053524 4580286 6870429 9160572 13740858 20611287 27481716 41222574 82445148