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82457054 = 244991823
BaseRepresentation
bin1001110101000…
…11000111011110
312202011020210222
410322203013132
5132102111204
612103201342
72020605401
oct472430736
9182136728
1082457054
11425aa229
1223746252
1314110874
14ad45d38
15738babe
hex4ea31de

82457054 has 8 divisors (see below), whose sum is σ = 123962400. Its totient is φ = 41136256.

The previous prime is 82457051. The next prime is 82457071. The reversal of 82457054 is 45075428.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82457051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45014 + ... + 46809.

It is an arithmetic number, because the mean of its divisors is an integer number (15495300).

Almost surely, 282457054 is an apocalyptic number.

82457054 is a deficient number, since it is larger than the sum of its proper divisors (41505346).

82457054 is a wasteful number, since it uses less digits than its factorization.

82457054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92274.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 82457054 is about 9080.5866550570. The cubic root of 82457054 is about 435.2538334446.

The spelling of 82457054 in words is "eighty-two million, four hundred fifty-seven thousand, fifty-four".

Divisors: 1 2 449 898 91823 183646 41228527 82457054