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3409980 = 2235723353
BaseRepresentation
bin1101000000100000111100
320102020121120
431000200330
51333104410
6201030540
740661430
oct15004074
96366546
103409980
111a19a72
121185450
13925152
1464a9c0
15475570
hex34083c

3409980 has 96 divisors (see below), whose sum is σ = 11418624. Its totient is φ = 743424.

The previous prime is 3409937. The next prime is 3409981. The reversal of 3409980 is 899043.

3409980 = T120 + T121 + ... + T280.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3409981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9484 + ... + 9836.

It is an arithmetic number, because the mean of its divisors is an integer number (118944).

Almost surely, 23409980 is an apocalyptic number.

3409980 is a gapful number since it is divisible by the number (30) 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 3409980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5709312).

3409980 is an abundant number, since it is smaller than the sum of its proper divisors (8008644).

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

3409980 is a wasteful number, since it uses less digits than its factorization.

3409980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 3409980 is about 1846.6131159504. The cubic root of 3409980 is about 150.5164420987.

The spelling of 3409980 in words is "three million, four hundred nine thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 23 28 30 35 42 46 60 69 70 84 92 105 115 138 140 161 210 230 276 322 345 353 420 460 483 644 690 706 805 966 1059 1380 1412 1610 1765 1932 2118 2415 2471 3220 3530 4236 4830 4942 5295 7060 7413 8119 9660 9884 10590 12355 14826 16238 21180 24357 24710 29652 32476 37065 40595 48714 49420 56833 74130 81190 97428 113666 121785 148260 162380 170499 227332 243570 284165 340998 487140 568330 681996 852495 1136660 1704990 3409980