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1349980498 = 23135336163
BaseRepresentation
bin101000001110111…
…0001000101010010
310111002020010002201
41100131301011102
510231043333443
6341542433414
745311434126
oct12035610522
93432203081
101349980498
11633035369
1231813286a
131868b7539
14cb411586
157d7b434d
hex50771152

1349980498 has 16 divisors (see below), whose sum is σ = 2091223296. Its totient is φ = 652925520.

The previous prime is 1349980493. The next prime is 1349980501. The reversal of 1349980498 is 8940899431.

It is not an unprimeable number, because it can be changed into a prime (1349980493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215965 + ... + 222127.

It is an arithmetic number, because the mean of its divisors is an integer number (130701456).

Almost surely, 21349980498 is an apocalyptic number.

1349980498 is a deficient number, since it is larger than the sum of its proper divisors (741242798).

1349980498 is a wasteful number, since it uses less digits than its factorization.

1349980498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9729.

The product of its (nonzero) digits is 2239488, while the sum is 55.

The square root of 1349980498 is about 36742.0807521839. The cubic root of 1349980498 is about 1105.2041276419.

The spelling of 1349980498 in words is "one billion, three hundred forty-nine million, nine hundred eighty thousand, four hundred ninety-eight".

Divisors: 1 2 31 62 3533 6163 7066 12326 109523 191053 219046 382106 21773879 43547758 674990249 1349980498