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80490348 = 22383067
BaseRepresentation
bin1001100110000…
…10111101101100
312121110100000000
410303002331230
5131101142343
611553104300
71665104511
oct463027554
9177410000
1080490348
1141486654
1222b58090
13138a2633
14a993308
1570eded3
hex4cc2f6c

80490348 has 54 divisors (see below), whose sum is σ = 211345316. Its totient is φ = 26821368.

The previous prime is 80490343. The next prime is 80490349. The reversal of 80490348 is 84309408.

It is a tau number, because it is divible by the number of its divisors (54).

It is a super-2 number, since 2×804903482 = 12957392242322208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (80490343) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24711 + ... + 27777.

Almost surely, 280490348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80490348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105672658).

80490348 is an abundant number, since it is smaller than the sum of its proper divisors (130854968).

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

80490348 is an equidigital number, since it uses as much as digits as its factorization.

80490348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095 (or 3072 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 80490348 is about 8971.6413214083. The cubic root of 80490348 is about 431.7654977283.

The spelling of 80490348 in words is "eighty million, four hundred ninety thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 729 972 1458 2187 2916 3067 4374 6134 6561 8748 9201 12268 13122 18402 26244 27603 36804 55206 82809 110412 165618 248427 331236 496854 745281 993708 1490562 2235843 2981124 4471686 6707529 8943372 13415058 20122587 26830116 40245174 80490348