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1914164 = 227137499
BaseRepresentation
bin111010011010100110100
310121020201222
413103110310
5442223124
6105005512
722161440
oct7232464
93536658
101914164
11109815a
12783898
13520355
1437b820
1527c25e
hex1d3534

1914164 has 24 divisors (see below), whose sum is σ = 3864000. Its totient is φ = 812736.

The previous prime is 1914163. The next prime is 1914179. The reversal of 1914164 is 4614191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3587 + ... + 4085.

It is an arithmetic number, because the mean of its divisors is an integer number (161000).

21914164 is an apocalyptic number.

1914164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1914164 is an abundant number, since it is smaller than the sum of its proper divisors (1949836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1914164 is a wasteful number, since it uses less digits than its factorization.

1914164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 645 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 1914164 is about 1383.5331582582. The cubic root of 1914164 is about 124.1632432030.

The spelling of 1914164 in words is "one million, nine hundred fourteen thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 137 274 499 548 959 998 1918 1996 3493 3836 6986 13972 68363 136726 273452 478541 957082 1914164