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14917940 = 2251076971
BaseRepresentation
bin111000111010…
…000100110100
31001001220120022
4320322010310
512304333230
61251424312
7240541352
oct70720464
931056508
1014917940
11846a084
124bb5098
1331241ab
141da47d2
15149a1e5
hexe3a134

14917940 has 24 divisors (see below), whose sum is σ = 31624992. Its totient is φ = 5910560.

The previous prime is 14917939. The next prime is 14917957. The reversal of 14917940 is 4971941.

It is a self number, because there is not a number n which added to its sum of digits gives 14917940.

It is a congruent number.

It is an unprimeable number.

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, 1346 + ... + 5625.

It is an arithmetic number, because the mean of its divisors is an integer number (1317708).

Almost surely, 214917940 is an apocalyptic number.

14917940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14917940 is an abundant number, since it is smaller than the sum of its proper divisors (16707052).

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

14917940 is a wasteful number, since it uses less digits than its factorization.

14917940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7087 (or 7085 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 14917940 is about 3862.3749170685. The cubic root of 14917940 is about 246.1706573555.

The spelling of 14917940 in words is "fourteen million, nine hundred seventeen thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 107 214 428 535 1070 2140 6971 13942 27884 34855 69710 139420 745897 1491794 2983588 3729485 7458970 14917940