Search a number
-
+
14953890 = 235771209
BaseRepresentation
bin111001000010…
…110110100010
31001010201212210
4321002312202
512312011030
61252302550
7241051230
oct71026642
931121783
1014953890
118494096
125011a56
133137673
141db3950
1514a5bb0
hexe42da2

14953890 has 32 divisors (see below), whose sum is σ = 41016960. Its totient is φ = 3417984.

The previous prime is 14953877. The next prime is 14953891. The reversal of 14953890 is 9835941.

14953890 = 412 + 422 + ... + 3552.

It is a super-2 number, since 2×149538902 = 447237652264200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14953891) 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 15 ways as a sum of consecutive naturals, for example, 35395 + ... + 35814.

It is an arithmetic number, because the mean of its divisors is an integer number (1281780).

Almost surely, 214953890 is an apocalyptic number.

14953890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14953890 is an abundant number, since it is smaller than the sum of its proper divisors (26063070).

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

14953890 is a wasteful number, since it uses less digits than its factorization.

14953890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71226.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 14953890 is about 3867.0259890515. The cubic root of 14953890 is about 246.3682435215.

The spelling of 14953890 in words is "fourteen million, nine hundred fifty-three thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 71209 142418 213627 356045 427254 498463 712090 996926 1068135 1495389 2136270 2492315 2990778 4984630 7476945 14953890