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345011641 = 1322041489
BaseRepresentation
bin10100100100000…
…111010110111001
3220001012101222221
4110210013112321
51201310333031
654122444041
711356356562
oct2444072671
9801171887
10345011641
11167828397
1297663621
135662a800
1433b6d169
1520450a11
hex149075b9

345011641 has 6 divisors (see below), whose sum is σ = 373592670. Its totient is φ = 318472128.

The previous prime is 345011627. The next prime is 345011647. The reversal of 345011641 is 146110543.

It can be written as a sum of positive squares in 3 ways, for example, as 129600 + 344882041 = 360^2 + 18571^2 .

It is not a de Polignac number, because 345011641 - 29 = 345011129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345011647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1020576 + ... + 1020913.

It is an arithmetic number, because the mean of its divisors is an integer number (62265445).

Almost surely, 2345011641 is an apocalyptic number.

It is an amenable number.

345011641 is a deficient number, since it is larger than the sum of its proper divisors (28581029).

345011641 is a wasteful number, since it uses less digits than its factorization.

345011641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041515 (or 2041502 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 345011641 is about 18574.4889835495. The cubic root of 345011641 is about 701.3657966742.

The spelling of 345011641 in words is "three hundred forty-five million, eleven thousand, six hundred forty-one".

Divisors: 1 13 169 2041489 26539357 345011641