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16945460 = 2257121039
BaseRepresentation
bin100000010100…
…1000100110100
31011212220210122
41000221010310
513314223320
61403111112
7264014450
oct100510464
934786718
1016945460
119624414
125812498
133683ccc
142371660
15174ad25
hex1029134

16945460 has 24 divisors (see below), whose sum is σ = 40669440. Its totient is φ = 5809824.

The previous prime is 16945459. The next prime is 16945463. The reversal of 16945460 is 6454961.

It is a super-2 number, since 2×169454602 = 574297229223200, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16945460.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16945463) 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, 60380 + ... + 60659.

It is an arithmetic number, because the mean of its divisors is an integer number (1694560).

Almost surely, 216945460 is an apocalyptic number.

16945460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16945460 is an abundant number, since it is smaller than the sum of its proper divisors (23723980).

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

16945460 is a wasteful number, since it uses less digits than its factorization.

16945460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121055 (or 121053 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 16945460 is about 4116.4863658222. The cubic root of 16945460 is about 256.8528885998.

The spelling of 16945460 in words is "sixteen million, nine hundred forty-five thousand, four hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 121039 242078 484156 605195 847273 1210390 1694546 2420780 3389092 4236365 8472730 16945460