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2995380 = 22345432
BaseRepresentation
bin1011011011010010110100
312122011220000
423123102310
51231323010
6144111300
734313613
oct13332264
95564800
102995380
111766523
121005530
1380b51b
1457d87a
153e27c0
hex2db4b4

2995380 has 90 divisors (see below), whose sum is σ = 9620226. Its totient is φ = 780192.

The previous prime is 2995379. The next prime is 2995397. The reversal of 2995380 is 835992.

It can be written as a sum of positive squares in only one way, i.e., 2396304 + 599076 = 1548^2 + 774^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 69639 + ... + 69681.

22995380 is an apocalyptic number.

2995380 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 2995380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4810113).

2995380 is an abundant number, since it is smaller than the sum of its proper divisors (6624846).

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

2995380 is a wasteful number, since it uses less digits than its factorization.

2995380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 2995380 is about 1730.7166145848. The cubic root of 2995380 is about 144.1508835154.

It can be divided in two parts, 2995 and 380, that added together give a cube (3375 = 153).

The spelling of 2995380 in words is "two million, nine hundred ninety-five thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 43 45 54 60 81 86 90 108 129 135 162 172 180 215 258 270 324 387 405 430 516 540 645 774 810 860 1161 1290 1548 1620 1849 1935 2322 2580 3483 3698 3870 4644 5547 5805 6966 7396 7740 9245 11094 11610 13932 16641 17415 18490 22188 23220 27735 33282 34830 36980 49923 55470 66564 69660 83205 99846 110940 149769 166410 199692 249615 299538 332820 499230 599076 748845 998460 1497690 2995380