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1381052232 = 2332731372389
BaseRepresentation
bin101001001010001…
…0010111101001000
310120020200201111200
41102110102331020
510312022132412
6345012424200
746136515230
oct12224227510
93506621450
101381052232
11649627a8a
12326618060
13190176291
14d15bccc0
15813a09dc
hex52512f48

1381052232 has 192 divisors, whose sum is σ = 4533734400. Its totient is φ = 371381760.

The previous prime is 1381052207. The next prime is 1381052287. The reversal of 1381052232 is 2322501831.

1381052232 is a `hidden beast` number, since 1 + 381 + 0 + 52 + 232 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1381052196 and 1381052205.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 576894 + ... + 579282.

It is an arithmetic number, because the mean of its divisors is an integer number (23613200).

Almost surely, 21381052232 is an apocalyptic number.

1381052232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1381052232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2266867200).

1381052232 is an abundant number, since it is smaller than the sum of its proper divisors (3152682168).

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

1381052232 is a wasteful number, since it uses less digits than its factorization.

1381052232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476 (or 2469 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1381052232 is about 37162.5111099882. The cubic root of 1381052232 is about 1113.6191777625.

The spelling of 1381052232 in words is "one billion, three hundred eighty-one million, fifty-two thousand, two hundred thirty-two".