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397348130 = 25173229681
BaseRepresentation
bin10111101011110…
…000110100100010
31000200200101011102
4113223300310202
51303210120010
6103232314402
712563255234
oct2753606442
91020611142
10397348130
11194324593
12b10a2a02
136442354a
143aab4254
1524d3cba5
hex17af0d22

397348130 has 16 divisors (see below), whose sum is σ = 719364024. Its totient is φ = 158019840.

The previous prime is 397348109. The next prime is 397348151. The reversal of 397348130 is 31843793.

It is an interprime number because it is at equal distance from previous prime (397348109) and next prime (397348151).

It can be written as a sum of positive squares in 4 ways, for example, as 395095129 + 2253001 = 19877^2 + 1501^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113111 + ... + 116570.

Almost surely, 2397348130 is an apocalyptic number.

397348130 is a deficient number, since it is larger than the sum of its proper divisors (322015894).

397348130 is a wasteful number, since it uses less digits than its factorization.

397348130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229861.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 397348130 is about 19933.5930027680. The cubic root of 397348130 is about 735.1744260316.

The spelling of 397348130 in words is "three hundred ninety-seven million, three hundred forty-eight thousand, one hundred thirty".

Divisors: 1 2 5 10 173 346 865 1730 229681 459362 1148405 2296810 39734813 79469626 198674065 397348130