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80485002 = 2351312739
BaseRepresentation
bin1001100110000…
…01101010001010
312121110001200000
410303001222022
5131101010002
611553023430
71665053103
oct463015212
9177401600
1080485002
1141482634
1222b54b76
13138a0080
14a9913aa
1570ec61c
hex4cc1a8a

80485002 has 48 divisors (see below), whose sum is σ = 194769120. Its totient is φ = 24762672.

The previous prime is 80484991. The next prime is 80485003. The reversal of 80485002 is 20058408.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (80485003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52 + ... + 12687.

It is an arithmetic number, because the mean of its divisors is an integer number (4057690).

Almost surely, 280485002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80485002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97384560).

80485002 is an abundant number, since it is smaller than the sum of its proper divisors (114284118).

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

80485002 is a wasteful number, since it uses less digits than its factorization.

80485002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12769 (or 12757 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 80485002 is about 8971.3433776665. The cubic root of 80485002 is about 431.7559385306.

The spelling of 80485002 in words is "eighty million, four hundred eighty-five thousand, two".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 81 117 162 234 243 351 486 702 1053 2106 3159 6318 12739 25478 38217 76434 114651 165607 229302 331214 343953 496821 687906 993642 1031859 1490463 2063718 2980926 3095577 4471389 6191154 8942778 13414167 26828334 40242501 80485002