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1250001052 = 22413375611
BaseRepresentation
bin100101010000001…
…1000000010011100
310020010002122002021
41022200120002130
510030000013202
6324011505524
742655555636
oct11240300234
93203078067
101250001052
11591658323
122aa7582a4
1316bc801c1
14bc027a56
1574b15a37
hex4a81809c

1250001052 has 12 divisors (see below), whose sum is σ = 2188060056. Its totient is φ = 624841040.

The previous prime is 1250001043. The next prime is 1250001059. The reversal of 1250001052 is 2501000521.

It is a super-2 number, since 2×12500010522 = 3125005260002213408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250001059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21274 + ... + 54337.

It is an arithmetic number, because the mean of its divisors is an integer number (182338338).

Almost surely, 21250001052 is an apocalyptic number.

It is an amenable number.

1250001052 is a deficient number, since it is larger than the sum of its proper divisors (938059004).

1250001052 is a wasteful number, since it uses less digits than its factorization.

1250001052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79748 (or 79746 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1250001052 is about 35355.3539368509. The cubic root of 1250001052 is about 1077.2176472112.

Adding to 1250001052 its reverse (2501000521), we get a palindrome (3751001573).

The spelling of 1250001052 in words is "one billion, two hundred fifty million, one thousand, fifty-two".

Divisors: 1 2 4 4133 8266 16532 75611 151222 302444 312500263 625000526 1250001052