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1228246494 = 231133894657
BaseRepresentation
bin100100100110101…
…1000110111011110
310011121011101102220
41021031120313132
510003412341434
6321513330210
742302631366
oct11115306736
93147141386
101228246494
11580349852
122a3406966
13167604297
14b91a39a6
1572c69d49
hex49358dde

1228246494 has 32 divisors (see below), whose sum is σ = 2485136160. Its totient is φ = 404662272.

The previous prime is 1228246457. The next prime is 1228246589. The reversal of 1228246494 is 4946428221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261414 + ... + 266070.

It is an arithmetic number, because the mean of its divisors is an integer number (77660505).

Almost surely, 21228246494 is an apocalyptic number.

1228246494 is an abundant number, since it is smaller than the sum of its proper divisors (1256889666).

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

1228246494 is a wasteful number, since it uses less digits than its factorization.

1228246494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5164.

The product of its digits is 221184, while the sum is 42.

The square root of 1228246494 is about 35046.3477983085. The cubic root of 1228246494 is about 1070.9318734285.

The spelling of 1228246494 in words is "one billion, two hundred twenty-eight million, two hundred forty-six thousand, four hundred ninety-four".

Divisors: 1 2 3 6 113 226 339 389 678 778 1167 2334 4657 9314 13971 27942 43957 87914 131871 263742 526241 1052482 1578723 1811573 3157446 3623146 5434719 10869438 204707749 409415498 614123247 1228246494