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82361949 = 390730269
BaseRepresentation
bin1001110100010…
…11111001011101
312201222102100120
410322023321131
5132041040244
612101145153
72020031205
oct472137135
9181872316
1082361949
114254482a
12236bb1b9
13140a94a7
14ad1d405
15736d819
hex4e8be5d

82361949 has 8 divisors (see below), whose sum is σ = 109940640. Its totient is φ = 54845616.

The previous prime is 82361933. The next prime is 82361953. The reversal of 82361949 is 94916328.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82361949 - 24 = 82361933 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 82361949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82361999) 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, 12414 + ... + 17855.

It is an arithmetic number, because the mean of its divisors is an integer number (13742580).

Almost surely, 282361949 is an apocalyptic number.

It is an amenable number.

82361949 is a deficient number, since it is larger than the sum of its proper divisors (27578691).

82361949 is a wasteful number, since it uses less digits than its factorization.

82361949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31179.

The product of its digits is 93312, while the sum is 42.

The square root of 82361949 is about 9075.3484230634. The cubic root of 82361949 is about 435.0864301771.

The spelling of 82361949 in words is "eighty-two million, three hundred sixty-one thousand, nine hundred forty-nine".

Divisors: 1 3 907 2721 30269 90807 27453983 82361949