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2974380 = 223589557
BaseRepresentation
bin1011010110001010101100
312121010002020
423112022230
51230140010
6143430140
734165443
oct13261254
95533066
102974380
111751772
12bb5350
13801ab6
14575d5a
153db470
hex2d62ac

2974380 has 48 divisors (see below), whose sum is σ = 8436960. Its totient is φ = 782848.

The previous prime is 2974379. The next prime is 2974397. The reversal of 2974380 is 834792.

2974380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5062 + ... + 5618.

It is an arithmetic number, because the mean of its divisors is an integer number (175770).

22974380 is an apocalyptic number.

2974380 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 2974380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4218480).

2974380 is an abundant number, since it is smaller than the sum of its proper divisors (5462580).

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

2974380 is a wasteful number, since it uses less digits than its factorization.

2974380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2974380 is about 1724.6390926800. The cubic root of 2974380 is about 143.8132223478.

The spelling of 2974380 in words is "two million, nine hundred seventy-four thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 89 178 267 356 445 534 557 890 1068 1114 1335 1671 1780 2228 2670 2785 3342 5340 5570 6684 8355 11140 16710 33420 49573 99146 148719 198292 247865 297438 495730 594876 743595 991460 1487190 2974380