Search a number
-
+
1918214 = 22394013
BaseRepresentation
bin111010100010100000110
310121110021222
413110110012
5442340324
6105040342
722206314
oct7242406
93543258
101918214
1110a0201
127860b2
1352214c
1437d0b4
1527d55e
hex1d4506

1918214 has 8 divisors (see below), whose sum is σ = 2890080. Its totient is φ = 954856.

The previous prime is 1918193. The next prime is 1918219. The reversal of 1918214 is 4128191.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1918219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1529 + ... + 2484.

It is an arithmetic number, because the mean of its divisors is an integer number (361260).

21918214 is an apocalyptic number.

1918214 is a deficient number, since it is larger than the sum of its proper divisors (971866).

1918214 is a wasteful number, since it uses less digits than its factorization.

1918214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254.

The product of its digits is 576, while the sum is 26.

The square root of 1918214 is about 1384.9960288752. The cubic root of 1918214 is about 124.2507499681.

The spelling of 1918214 in words is "one million, nine hundred eighteen thousand, two hundred fourteen".

Divisors: 1 2 239 478 4013 8026 959107 1918214