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14909930 = 257212999
BaseRepresentation
bin111000111000…
…000111101010
31001001111120122
4320320013222
512304104210
61251323242
7240506120
oct70700752
931044518
1014909930
118464062
124bb0522
133120659
141da1910
151497b55
hexe381ea

14909930 has 16 divisors (see below), whose sum is σ = 30672000. Its totient is φ = 5111952.

The previous prime is 14909897. The next prime is 14909941. The reversal of 14909930 is 3990941.

14909930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106430 + ... + 106569.

It is an arithmetic number, because the mean of its divisors is an integer number (1917000).

Almost surely, 214909930 is an apocalyptic number.

14909930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14909930 is an abundant number, since it is smaller than the sum of its proper divisors (15762070).

14909930 is a wasteful number, since it uses less digits than its factorization.

14909930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213013.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 14909930 is about 3861.3378510563. The cubic root of 14909930 is about 246.1265900560.

The spelling of 14909930 in words is "fourteen million, nine hundred nine thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 212999 425998 1064995 1490993 2129990 2981986 7454965 14909930