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18275001 = 337916073
BaseRepresentation
bin100010110110…
…1101010111001
31021101110120220
41011231222321
514134300001
61451410253
7311222613
oct105555271
937343526
1018275001
11a352308
126153989
133a2b214
1425d9db3
15190ec36
hex116dab9

18275001 has 8 divisors (see below), whose sum is σ = 24432480. Its totient is φ = 12150432.

The previous prime is 18274969. The next prime is 18275011. The reversal of 18275001 is 10057281.

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

It is not a de Polignac number, because 18275001 - 25 = 18274969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18275011) 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, 6900 + ... + 9173.

It is an arithmetic number, because the mean of its divisors is an integer number (3054060).

Almost surely, 218275001 is an apocalyptic number.

It is an amenable number.

18275001 is a deficient number, since it is larger than the sum of its proper divisors (6157479).

18275001 is a wasteful number, since it uses less digits than its factorization.

18275001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16455.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 18275001 is about 4274.9270169209. The cubic root of 18275001 is about 263.4020413923.

The spelling of 18275001 in words is "eighteen million, two hundred seventy-five thousand, one".

Divisors: 1 3 379 1137 16073 48219 6091667 18275001