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3678020 = 225199679
BaseRepresentation
bin1110000001111101000100
320220212021222
432001331010
51420144040
6210455512
743156043
oct16017504
96825258
103678020
112092395
121294598
139ba158
146ba55a
154c9bb5
hex381f44

3678020 has 24 divisors (see below), whose sum is σ = 8131200. Its totient is φ = 1393632.

The previous prime is 3678011. The next prime is 3678023. The reversal of 3678020 is 208763.

It is a super-2 number, since 2×36780202 = 27055662240800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3678023) 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, 4460 + ... + 5219.

It is an arithmetic number, because the mean of its divisors is an integer number (338800).

Almost surely, 23678020 is an apocalyptic number.

It is an amenable number.

3678020 is an abundant number, since it is smaller than the sum of its proper divisors (4453180).

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

3678020 is a wasteful number, since it uses less digits than its factorization.

3678020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9707 (or 9705 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 3678020 is about 1917.8164667142. The cubic root of 3678020 is about 154.3611583146.

The spelling of 3678020 in words is "three million, six hundred seventy-eight thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 9679 19358 38716 48395 96790 183901 193580 367802 735604 919505 1839010 3678020