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268807429 = 113474297
BaseRepresentation
bin10000000001011…
…010110100000101
3200201210211110201
4100001122310011
51022303314204
642401250501
76442553062
oct2001326405
9621724421
10268807429
1112880a000
1276033a31
13438c9067
14279b3c69
15188eb9a4
hex1005ad05

268807429 has 16 divisors (see below), whose sum is σ = 302029056. Its totient is φ = 239115360.

The previous prime is 268807423. The next prime is 268807447. The reversal of 268807429 is 924708862.

It is not a de Polignac number, because 268807429 - 29 = 268806917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268807423) 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, 60409 + ... + 64705.

It is an arithmetic number, because the mean of its divisors is an integer number (18876816).

Almost surely, 2268807429 is an apocalyptic number.

It is an amenable number.

268807429 is a deficient number, since it is larger than the sum of its proper divisors (33221627).

268807429 is an equidigital number, since it uses as much as digits as its factorization.

268807429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4377 (or 4355 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 268807429 is about 16395.3477852713. The cubic root of 268807429 is about 645.3774038716.

The spelling of 268807429 in words is "two hundred sixty-eight million, eight hundred seven thousand, four hundred twenty-nine".

Divisors: 1 11 47 121 517 1331 4297 5687 47267 62557 201959 519937 2221549 5719307 24437039 268807429