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82541490 = 2352751383
BaseRepresentation
bin1001110101101…
…11101110110010
312202022112122020
410322313232302
5132112311430
612105052310
72021406513
oct472675662
9182275566
1082541490
1142657709
1223787096
1314140125
14ad68a0a
1573a6b10
hex4eb7bb2

82541490 has 16 divisors (see below), whose sum is σ = 198099648. Its totient is φ = 22011056.

The previous prime is 82541489. The next prime is 82541497. The reversal of 82541490 is 9414528.

It is not an unprimeable number, because it can be changed into a prime (82541497) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1375662 + ... + 1375721.

It is an arithmetic number, because the mean of its divisors is an integer number (12381228).

Almost surely, 282541490 is an apocalyptic number.

82541490 is an abundant number, since it is smaller than the sum of its proper divisors (115558158).

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

82541490 is a wasteful number, since it uses less digits than its factorization.

82541490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751393.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 82541490 is about 9085.2347245407. The cubic root of 82541490 is about 435.4023493635.

The spelling of 82541490 in words is "eighty-two million, five hundred forty-one thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 2751383 5502766 8254149 13756915 16508298 27513830 41270745 82541490