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3480690 = 235157739
BaseRepresentation
bin1101010001110001110010
320112211121110
431101301302
51342340230
6202334150
741404533
oct15216162
96484543
103480690
111a68104
1211ba356
1394b3a5
1466868a
1548b4b0
hex351c72

3480690 has 32 divisors (see below), whose sum is σ = 8418240. Its totient is φ = 921024.

The previous prime is 3480683. The next prime is 3480691. The reversal of 3480690 is 960843.

3480690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×34806902 = 24230405752200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3480691) by changing a digit.

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, 4341 + ... + 5079.

It is an arithmetic number, because the mean of its divisors is an integer number (263070).

Almost surely, 23480690 is an apocalyptic number.

3480690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3480690 is an abundant number, since it is smaller than the sum of its proper divisors (4937550).

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

3480690 is a wasteful number, since it uses less digits than its factorization.

3480690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3480690 is about 1865.6607408637. The cubic root of 3480690 is about 151.5497119263.

The spelling of 3480690 in words is "three million, four hundred eighty thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 157 314 471 739 785 942 1478 1570 2217 2355 3695 4434 4710 7390 11085 22170 116023 232046 348069 580115 696138 1160230 1740345 3480690