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126098989 = 295973699
BaseRepresentation
bin1111000010000…
…01111000101101
322210021111021221
413201001320231
5224240131424
620302423341
73060552352
oct741017055
9283244257
10126098989
11651a8045
1236291b51
1320180cb3
1412a66629
15b10c9e4
hex7841e2d

126098989 has 8 divisors (see below), whose sum is σ = 132660000. Its totient is φ = 119685552.

The previous prime is 126098969. The next prime is 126099007. The reversal of 126098989 is 989890621.

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

It is not a de Polignac number, because 126098989 - 25 = 126098957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126098909) 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, 35139 + ... + 38560.

It is an arithmetic number, because the mean of its divisors is an integer number (16582500).

Almost surely, 2126098989 is an apocalyptic number.

It is an amenable number.

126098989 is a deficient number, since it is larger than the sum of its proper divisors (6561011).

126098989 is an equidigital number, since it uses as much as digits as its factorization.

126098989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73787.

The product of its (nonzero) digits is 559872, while the sum is 52.

The square root of 126098989 is about 11229.3806151542. The cubic root of 126098989 is about 501.4610452021.

The spelling of 126098989 in words is "one hundred twenty-six million, ninety-eight thousand, nine hundred eighty-nine".

Divisors: 1 29 59 1711 73699 2137271 4348241 126098989