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82435254 = 23111249019
BaseRepresentation
bin1001110100111…
…01110010110110
312202010010220120
410322131302312
5132100412004
612102512410
72020455006
oct472356266
9182103816
1082435254
1142594910
1223735706
1314103975
14ad3c006
1573853d9
hex4e9dcb6

82435254 has 16 divisors (see below), whose sum is σ = 179858880. Its totient is φ = 24980360.

The previous prime is 82435253. The next prime is 82435267. The reversal of 82435254 is 45253428.

It is a super-2 number, since 2×824352542 = 13591142204089032, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82435253) 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, 624444 + ... + 624575.

It is an arithmetic number, because the mean of its divisors is an integer number (11241180).

Almost surely, 282435254 is an apocalyptic number.

82435254 is an abundant number, since it is smaller than the sum of its proper divisors (97423626).

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

82435254 is a wasteful number, since it uses less digits than its factorization.

82435254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249035.

The product of its digits is 38400, while the sum is 33.

The square root of 82435254 is about 9079.3862127349. The cubic root of 82435254 is about 435.2154725871.

The spelling of 82435254 in words is "eighty-two million, four hundred thirty-five thousand, two hundred fifty-four".