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16930940 = 2251365119
BaseRepresentation
bin100000010010…
…1100001111100
31011212011212212
41000211201330
513313242230
61402515552
7263624225
oct100454174
934764785
1016930940
119614514
125805bb8
13367a510
14236a24c
151746895
hex102587c

16930940 has 24 divisors (see below), whose sum is σ = 38290560. Its totient is φ = 6251328.

The previous prime is 16930897. The next prime is 16930943. The reversal of 16930940 is 4903961.

It is a junction number, because it is equal to n+sod(n) for n = 16930897 and 16930906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16930943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32300 + ... + 32819.

It is an arithmetic number, because the mean of its divisors is an integer number (1595440).

Almost surely, 216930940 is an apocalyptic number.

16930940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16930940 is an abundant number, since it is smaller than the sum of its proper divisors (21359620).

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

16930940 is a wasteful number, since it uses less digits than its factorization.

16930940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65141 (or 65139 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 16930940 is about 4114.7223478626. The cubic root of 16930940 is about 256.7795047420.

The spelling of 16930940 in words is "sixteen million, nine hundred thirty thousand, nine hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 65119 130238 260476 325595 651190 846547 1302380 1693094 3386188 4232735 8465470 16930940