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1000252001 = 7178405479
BaseRepresentation
bin111011100111101…
…010001001100001
32120201011001210102
4323213222021201
54022031031001
6243130512145
733534000410
oct7347521141
92521131712
101000252001
11473686151
1223ab95655
1312c2c7ab8
1496bb5477
155cc30e6b
hex3b9ea261

1000252001 has 8 divisors (see below), whose sum is σ = 1210389120. Its totient is φ = 806925888.

The previous prime is 1000251997. The next prime is 1000252027. The reversal of 1000252001 is 1002520001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000252001 - 22 = 1000251997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000252091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4202621 + ... + 4202858.

It is an arithmetic number, because the mean of its divisors is an integer number (151298640).

Almost surely, 21000252001 is an apocalyptic number.

It is an amenable number.

1000252001 is a deficient number, since it is larger than the sum of its proper divisors (210137119).

1000252001 is an equidigital number, since it uses as much as digits as its factorization.

1000252001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8405503.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 1000252001 is about 31626.7608363550. The cubic root of 1000252001 is about 1000.0839932783.

Adding to 1000252001 its reverse (1002520001), we get a palindrome (2002772002).

The spelling of 1000252001 in words is "one billion, two hundred fifty-two thousand, one".

Divisors: 1 7 17 119 8405479 58838353 142893143 1000252001