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82275888 = 2434913491
BaseRepresentation
bin1001110011101…
…10111000110000
312201211001022010
410321312320300
5132030312023
612055242520
72016222252
oct471667060
9181731263
1082275888
1142496102
1223679440
1314079276
14acd9cd2
157353093
hex4e76e30

82275888 has 40 divisors (see below), whose sum is σ = 213039936. Its totient is φ = 27361600.

The previous prime is 82275883. The next prime is 82275917. The reversal of 82275888 is 88857228.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (82275883) 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, 21823 + ... + 25313.

Almost surely, 282275888 is an apocalyptic number.

It is an amenable number.

82275888 is an abundant number, since it is smaller than the sum of its proper divisors (130764048).

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

82275888 is a wasteful number, since it uses less digits than its factorization.

82275888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993 (or 3987 counting only the distinct ones).

The product of its digits is 573440, while the sum is 48.

The square root of 82275888 is about 9070.6057129610. The cubic root of 82275888 is about 434.9348350000.

It can be divided in two parts, 8227588 and 8, that added together give a triangular number (8227596 = T4056).

The spelling of 82275888 in words is "eighty-two million, two hundred seventy-five thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 491 982 1473 1964 2946 3491 3928 5892 6982 7856 10473 11784 13964 20946 23568 27928 41892 55856 83784 167568 1714081 3428162 5142243 6856324 10284486 13712648 20568972 27425296 41137944 82275888