Search a number
-
+
2919020 = 22513103109
BaseRepresentation
bin1011001000101001101100
312111022010212
423020221230
51221402040
6142321552
733545156
oct13105154
95438125
102919020
111714115
12b892b8
137b2840
1455dad6
153c9d65
hex2c8a6c

2919020 has 48 divisors (see below), whose sum is σ = 6726720. Its totient is φ = 1057536.

The previous prime is 2919017. The next prime is 2919031. The reversal of 2919020 is 209192.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26726 + ... + 26834.

It is an arithmetic number, because the mean of its divisors is an integer number (140140).

22919020 is an apocalyptic number.

2919020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2919020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3363360).

2919020 is an abundant number, since it is smaller than the sum of its proper divisors (3807700).

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

2919020 is a wasteful number, since it uses less digits than its factorization.

2919020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 2919020 is about 1708.5139741893. The cubic root of 2919020 is about 142.9153981458.

The spelling of 2919020 in words is "two million, nine hundred nineteen thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 103 109 130 206 218 260 412 436 515 545 1030 1090 1339 1417 2060 2180 2678 2834 5356 5668 6695 7085 11227 13390 14170 22454 26780 28340 44908 56135 112270 145951 224540 291902 583804 729755 1459510 2919020