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1139454246 = 23727129863
BaseRepresentation
bin100001111101010…
…1011000100100110
32221102002021101010
41003322223010212
54313200013441
6305022243050
740144126020
oct10372530446
92842067333
101139454246
11535212927
12279726486
131520b5ca8
14ab48d010
156a07b116
hex43eab126

1139454246 has 16 divisors (see below), whose sum is σ = 2604466944. Its totient is φ = 325558344.

The previous prime is 1139454233. The next prime is 1139454353. The reversal of 1139454246 is 6424549311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13564890 + ... + 13564973.

It is an arithmetic number, because the mean of its divisors is an integer number (162779184).

Almost surely, 21139454246 is an apocalyptic number.

1139454246 is an abundant number, since it is smaller than the sum of its proper divisors (1465012698).

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

1139454246 is a wasteful number, since it uses less digits than its factorization.

1139454246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27129875.

The product of its digits is 103680, while the sum is 39.

The square root of 1139454246 is about 33755.8031455334. The cubic root of 1139454246 is about 1044.4771988680.

The spelling of 1139454246 in words is "one billion, one hundred thirty-nine million, four hundred fifty-four thousand, two hundred forty-six".

Divisors: 1 2 3 6 7 14 21 42 27129863 54259726 81389589 162779178 189909041 379818082 569727123 1139454246