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275042082 = 23717569677
BaseRepresentation
bin10000011001001…
…100111100100010
3201011112120210210
4100121030330202
51030402321312
643143034550
76546550650
oct2031147442
9634476723
10275042082
11131288207
127813ba56
1344c9cac3
1428757dd0
151922de3c
hex1064cf22

275042082 has 64 divisors (see below), whose sum is σ = 667802880. Its totient is φ = 73721856.

The previous prime is 275042077. The next prime is 275042083. The reversal of 275042082 is 280240572.

It is not an unprimeable number, because it can be changed into a prime (275042083) 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, 405928 + ... + 406604.

It is an arithmetic number, because the mean of its divisors is an integer number (10434420).

Almost surely, 2275042082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275042082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333901440).

275042082 is an abundant number, since it is smaller than the sum of its proper divisors (392760798).

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

275042082 is a wasteful number, since it uses less digits than its factorization.

275042082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 275042082 is about 16584.3927232805. The cubic root of 275042082 is about 650.3288923334.

The spelling of 275042082 in words is "two hundred seventy-five million, forty-two thousand, eighty-two".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 238 357 569 677 714 1138 1354 1707 2031 3414 3983 4062 4739 7966 9478 9673 11509 11949 14217 19346 23018 23898 28434 29019 34527 58038 67711 69054 80563 135422 161126 203133 241689 385213 406266 483378 770426 1155639 2311278 2696491 5392982 6548621 8089473 13097242 16178946 19645863 39291726 45840347 91680694 137521041 275042082