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340304741 = 7193331761
BaseRepresentation
bin10100010010001…
…010001101100101
3212201100021100022
4110102022031211
51144104222431
653433524525
711301354050
oct2422121545
9781307308
10340304741
11165102a97
1295b73745
135567026a
14332a5a97
151ed2107b
hex1448a365

340304741 has 16 divisors (see below), whose sum is σ = 392631168. Its totient is φ = 288921600.

The previous prime is 340304737. The next prime is 340304753. The reversal of 340304741 is 147403043.

It is a cyclic number.

It is not a de Polignac number, because 340304741 - 22 = 340304737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340304741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340304771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446801 + ... + 447561.

It is an arithmetic number, because the mean of its divisors is an integer number (24539448).

Almost surely, 2340304741 is an apocalyptic number.

It is an amenable number.

340304741 is a deficient number, since it is larger than the sum of its proper divisors (52326427).

340304741 is a wasteful number, since it uses less digits than its factorization.

340304741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 340304741 is about 18447.3505143693. The cubic root of 340304741 is about 698.1616668901.

Adding to 340304741 its reverse (147403043), we get a palindrome (487707784).

The spelling of 340304741 in words is "three hundred forty million, three hundred four thousand, seven hundred forty-one".

Divisors: 1 7 193 331 761 1351 2317 5327 63883 146873 251891 447181 1028111 1763237 48614963 340304741