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1000240445 = 52371912097
BaseRepresentation
bin111011100111100…
…111010100111101
32120201010110221102
4323213213110331
54022030143240
6243130342445
733533621621
oct7347472475
92521113842
101000240445
114736784a6
1223ab8aa25
1312c2c2769
1496bb1181
155cc2c815
hex3b9e753d

1000240445 has 16 divisors (see below), whose sum is σ = 1254320640. Its totient is φ = 764273664.

The previous prime is 1000240391. The next prime is 1000240447. The reversal of 1000240445 is 5440420001.

It is a cyclic number.

It is not a de Polignac number, because 1000240445 - 216 = 1000174909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000240447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76637 + ... + 88733.

It is an arithmetic number, because the mean of its divisors is an integer number (78395040).

Almost surely, 21000240445 is an apocalyptic number.

It is an amenable number.

1000240445 is a deficient number, since it is larger than the sum of its proper divisors (254080195).

1000240445 is a wasteful number, since it uses less digits than its factorization.

1000240445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12844.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1000240445 is about 31626.5781424422. The cubic root of 1000240445 is about 1000.0801419104.

Adding to 1000240445 its reverse (5440420001), we get a palindrome (6440660446).

The spelling of 1000240445 in words is "one billion, two hundred forty thousand, four hundred forty-five".

Divisors: 1 5 23 115 719 3595 12097 16537 60485 82685 278231 1391155 8697743 43488715 200048089 1000240445