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340070481 = 366832
BaseRepresentation
bin10100010001010…
…001000001010001
3212200220101000000
4110101101001101
51144024223411
653424520213
711266360062
oct2421210121
9780811000
10340070481
11164a62a93
1295a80069
13555ba74a
1433244569
151ecc6956
hex14451051

340070481 has 21 divisors (see below), whose sum is σ = 510620089. Its totient is φ = 226381716.

The previous prime is 340070461. The next prime is 340070491. The reversal of 340070481 is 184070043.

The square root of 340070481 is 18441.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 340070481 - 221 = 337973329 is a prime.

It is a super-2 number, since 2×3400704812 = 231295864095142722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340070461) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 497566 + ... + 498248.

Almost surely, 2340070481 is an apocalyptic number.

340070481 is the 18441-st square number.

340070481 is the 9221-st centered octagonal number.

It is an amenable number.

340070481 is a deficient number, since it is larger than the sum of its proper divisors (170549608).

340070481 is an frugal number, since it uses more digits than its factorization.

340070481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The cubic root of 340070481 is about 698.0014292409.

The spelling of 340070481 in words is "three hundred forty million, seventy thousand, four hundred eighty-one".

Divisors: 1 3 9 27 81 243 683 729 2049 6147 18441 55323 165969 466489 497907 1399467 4198401 12595203 37785609 113356827 340070481