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203119489 = 3074631429
BaseRepresentation
bin11000001101101…
…01101110000001
3112011012112120001
430012311232001
5403444310424
632053320001
75014326046
oct1406655601
9464175501
10203119489
11a4723751
1258036001
133310a161
141cd951cd
1512c73844
hexc1b5b81

203119489 has 8 divisors (see below), whose sum is σ = 204364160. Its totient is φ = 201879216.

The previous prime is 203119457. The next prime is 203119493. The reversal of 203119489 is 984911302.

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 203119489 - 25 = 203119457 is a prime.

It is a super-2 number, since 2×2031194892 = 82515053623242242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203119789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141427 + ... + 142855.

It is an arithmetic number, because the mean of its divisors is an integer number (25545520).

Almost surely, 2203119489 is an apocalyptic number.

It is an amenable number.

203119489 is a deficient number, since it is larger than the sum of its proper divisors (1244671).

203119489 is a wasteful number, since it uses less digits than its factorization.

203119489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 203119489 is about 14251.9994737581. Note that the first 3 decimals coincide. The cubic root of 203119489 is about 587.8283556953.

The spelling of 203119489 in words is "two hundred three million, one hundred nineteen thousand, four hundred eighty-nine".

Divisors: 1 307 463 1429 142141 438703 661627 203119489