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1940147 = 11199283
BaseRepresentation
bin111011001101010110011
310122120101022
413121222303
5444041042
6105330055
722330256
oct7315263
93576338
101940147
111105730
1279692b
1352c121
1438709d
15284cd2
hex1d9ab3

1940147 has 8 divisors (see below), whose sum is σ = 2228160. Its totient is φ = 1670760.

The previous prime is 1940143. The next prime is 1940149. The reversal of 1940147 is 7410491.

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 1940147 - 22 = 1940143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1940143) 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, 4433 + ... + 4850.

It is an arithmetic number, because the mean of its divisors is an integer number (278520).

21940147 is an apocalyptic number.

1940147 is a deficient number, since it is larger than the sum of its proper divisors (288013).

1940147 is a wasteful number, since it uses less digits than its factorization.

1940147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9313.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1940147 is about 1392.8915966435. The cubic root of 1940147 is about 124.7225204968.

The spelling of 1940147 in words is "one million, nine hundred forty thousand, one hundred forty-seven".

Divisors: 1 11 19 209 9283 102113 176377 1940147