Search a number
-
+
14999970 = 235311272
BaseRepresentation
bin111001001110…
…000110100010
31001020002002110
4321032012202
512314444340
61253300150
7241332456
oct71160642
931202073
1014999970
118515777
125034656
13315262b
141dc6666
1514b4680
hexe4e1a2

14999970 has 48 divisors (see below), whose sum is σ = 37456128. Its totient is φ = 3840480.

The previous prime is 14999969. The next prime is 14999977. The reversal of 14999970 is 7999941.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14999977) 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 23 ways as a sum of consecutive naturals, for example, 118047 + ... + 118173.

It is an arithmetic number, because the mean of its divisors is an integer number (780336).

Almost surely, 214999970 is an apocalyptic number.

14999970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14999970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18728064).

14999970 is an abundant number, since it is smaller than the sum of its proper divisors (22456158).

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

14999970 is a wasteful number, since it uses less digits than its factorization.

14999970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 48.

The square root of 14999970 is about 3872.9794732221. The cubic root of 14999970 is about 246.6210430188.

The spelling of 14999970 in words is "fourteen million, nine hundred ninety-nine thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 127 155 186 254 310 381 465 635 762 930 1270 1905 3810 3937 7874 11811 16129 19685 23622 32258 39370 48387 59055 80645 96774 118110 161290 241935 483870 499999 999998 1499997 2499995 2999994 4999990 7499985 14999970