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1252532532 = 223104377711
BaseRepresentation
bin100101010101000…
…0010000100110100
310020021212020121210
41022222002010310
510031122020112
6324142041420
743016231226
oct11252020464
93207766553
101252532532
11593027259
122ab579270
1316c658514
14bc4c6416
1574e65b3c
hex4aa82134

1252532532 has 12 divisors (see below), whose sum is σ = 2922575936. Its totient is φ = 417510840.

The previous prime is 1252532531. The next prime is 1252532537. The reversal of 1252532532 is 2352352521.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1252532532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252532531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52188844 + ... + 52188867.

Almost surely, 21252532532 is an apocalyptic number.

1252532532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1252532532 is an abundant number, since it is smaller than the sum of its proper divisors (1670043404).

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

1252532532 is a wasteful number, since it uses less digits than its factorization.

1252532532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104377718 (or 104377716 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 1252532532 is about 35391.1363479615. The cubic root of 1252532532 is about 1077.9443442363.

The spelling of 1252532532 in words is "one billion, two hundred fifty-two million, five hundred thirty-two thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 104377711 208755422 313133133 417510844 626266266 1252532532