Search a number
-
+
3054645 = 33511317
BaseRepresentation
bin1011101001110000110101
312202012012000
423221300311
51240222040
6145245513
734651446
oct13516065
95665160
103054645
1117a7000
121033899
1382c4a9
145972cd
15405130
hex2e9c35

3054645 has 64 divisors (see below), whose sum is σ = 6324480. Its totient is φ = 1393920.

The previous prime is 3054643. The next prime is 3054673. The reversal of 3054645 is 5464503.

3054645 = T79 + T80 + ... + T265.

3054645 = 952 + 962 + ... + 2152.

It is not a de Polignac number, because 3054645 - 21 = 3054643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 37 + 0 + 5 + 46 + 66 + 410 + 59 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3054643) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 179677 + ... + 179693.

It is an arithmetic number, because the mean of its divisors is an integer number (98820).

Almost surely, 23054645 is an apocalyptic number.

It is an amenable number.

3054645 is an abundant number, since it is smaller than the sum of its proper divisors (3269835).

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

3054645 is a wasteful number, since it uses less digits than its factorization.

3054645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 3054645 is about 1747.7542733462. The cubic root of 3054645 is about 145.0953791812.

It can be divided in two parts, 305 and 4645, that added together give a triangular number (4950 = T99).

The spelling of 3054645 in words is "three million, fifty-four thousand, six hundred forty-five".

Divisors: 1 3 5 9 11 15 17 27 33 45 51 55 85 99 121 135 153 165 187 255 297 363 459 495 561 605 765 935 1089 1331 1485 1683 1815 2057 2295 2805 3267 3993 5049 5445 6171 6655 8415 10285 11979 16335 18513 19965 22627 25245 30855 35937 55539 59895 67881 92565 113135 179685 203643 277695 339405 610929 1018215 3054645