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1238883252 = 223103240271
BaseRepresentation
bin100100111010111…
…1101101110110100
310012100011210022220
41021311331232310
510014123231002
6322533322340
742462222345
oct11165755664
93170153286
101238883252
11586354362
122a6a963b0
13169889919
14ba7720cc
1573b6b7bc
hex49d7dbb4

1238883252 has 12 divisors (see below), whose sum is σ = 2890727616. Its totient is φ = 412961080.

The previous prime is 1238883251. The next prime is 1238883259. The reversal of 1238883252 is 2523888321.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238883251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51620124 + ... + 51620147.

It is an arithmetic number, because the mean of its divisors is an integer number (240893968).

Almost surely, 21238883252 is an apocalyptic number.

1238883252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1238883252 is an abundant number, since it is smaller than the sum of its proper divisors (1651844364).

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

1238883252 is a wasteful number, since it uses less digits than its factorization.

1238883252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103240278 (or 103240276 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 1238883252 is about 35197.7733954863. The cubic root of 1238883252 is about 1074.0144569766.

The spelling of 1238883252 in words is "one billion, two hundred thirty-eight million, eight hundred eighty-three thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 103240271 206480542 309720813 412961084 619441626 1238883252