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3499380 = 2232519441
BaseRepresentation
bin1101010110010101110100
320120210020200
431112111310
51343440010
6203000500
741513163
oct15262564
96523220
103499380
111a80155
121209130
13956a51
146713da
15491cc0
hex356574

3499380 has 36 divisors (see below), whose sum is σ = 10615332. Its totient is φ = 933120.

The previous prime is 3499369. The next prime is 3499409. The reversal of 3499380 is 839943.

It can be written as a sum of positive squares in 2 ways, for example, as 1028196 + 2471184 = 1014^2 + 1572^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 9541 + ... + 9900.

Almost surely, 23499380 is an apocalyptic number.

3499380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3499380 is an abundant number, since it is smaller than the sum of its proper divisors (7115952).

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

3499380 is a wasteful number, since it uses less digits than its factorization.

3499380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19456 (or 19451 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 3499380 is about 1870.6629840781. The cubic root of 3499380 is about 151.8204828969.

The spelling of 3499380 in words is "three million, four hundred ninety-nine thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 19441 38882 58323 77764 97205 116646 174969 194410 233292 291615 349938 388820 583230 699876 874845 1166460 1749690 3499380