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1550032001 = 71713025479
BaseRepresentation
bin101110001100011…
…1001110010000001
311000000122210011122
41130120321302001
511133302011001
6413450322025
753261024510
oct13430716201
94000583148
101550032001
11725a52a91
12373129315
131b918c0cb
14109c08677
159112db1b
hex5c639c81

1550032001 has 8 divisors (see below), whose sum is σ = 1875669120. Its totient is φ = 1250445888.

The previous prime is 1550031983. The next prime is 1550032007. The reversal of 1550032001 is 1002300551.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1550032001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1550032007) 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, 6512621 + ... + 6512858.

It is an arithmetic number, because the mean of its divisors is an integer number (234458640).

Almost surely, 21550032001 is an apocalyptic number.

It is an amenable number.

1550032001 is a deficient number, since it is larger than the sum of its proper divisors (325637119).

1550032001 is a wasteful number, since it uses less digits than its factorization.

1550032001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13025503.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1550032001 is about 39370.4457810678. The cubic root of 1550032001 is about 1157.3024916344.

Adding to 1550032001 its reverse (1002300551), we get a palindrome (2552332552).

The spelling of 1550032001 in words is "one billion, five hundred fifty million, thirty-two thousand, one".

Divisors: 1 7 17 119 13025479 91178353 221433143 1550032001