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7257250036 = 2213713243157
BaseRepresentation
bin1101100001001000…
…01101100011110100
3200201202210111111101
412300210031203310
5104330324000121
63200044015444
7344561415241
oct66044154364
920652714441
107257250036
11309458a403
1214a6531584
138b86b65ba
144cbba25c8
152c71d1491
hex1b090d8f4

7257250036 has 12 divisors (see below), whose sum is σ = 12792890628. Its totient is φ = 3602138432.

The previous prime is 7257250031. The next prime is 7257250081. The reversal of 7257250036 is 6300527527.

It can be written as a sum of positive squares in 2 ways, for example, as 2557324900 + 4699925136 = 50570^2 + 68556^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7257249977 and 7257250004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7257250031) 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, 6621031 + ... + 6622126.

It is an arithmetic number, because the mean of its divisors is an integer number (1066074219).

Almost surely, 27257250036 is an apocalyptic number.

It is an amenable number.

7257250036 is a deficient number, since it is larger than the sum of its proper divisors (5535640592).

7257250036 is a wasteful number, since it uses less digits than its factorization.

7257250036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13243298 (or 13243296 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 7257250036 is about 85189.4948687924. The cubic root of 7257250036 is about 1936.0832546927.

The spelling of 7257250036 in words is "seven billion, two hundred fifty-seven million, two hundred fifty thousand, thirty-six".

Divisors: 1 2 4 137 274 548 13243157 26486314 52972628 1814312509 3628625018 7257250036