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3420043429 = 11310913039
BaseRepresentation
bin1100101111011001…
…1011100010100101
322211100102012121011
43023312123202211
524001012342204
61323211222221
7150515614045
oct31366334245
98740365534
103420043429
1114a5586280
127b5447971
13426722c4a
14246307725
151503b6304
hexcbd9b8a5

3420043429 has 4 divisors (see below), whose sum is σ = 3730956480. Its totient is φ = 3109130380.

The previous prime is 3420043427. The next prime is 3420043483. The reversal of 3420043429 is 9243400243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3420043429 - 21 = 3420043427 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 3420043429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420043427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155456509 + ... + 155456530.

It is an arithmetic number, because the mean of its divisors is an integer number (932739120).

Almost surely, 23420043429 is an apocalyptic number.

It is an amenable number.

3420043429 is a deficient number, since it is larger than the sum of its proper divisors (310913051).

3420043429 is a wasteful number, since it uses less digits than its factorization.

3420043429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310913050.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 3420043429 is about 58481.1373777905. The cubic root of 3420043429 is about 1506.6436319202.

The spelling of 3420043429 in words is "three billion, four hundred twenty million, forty-three thousand, four hundred twenty-nine".

Divisors: 1 11 310913039 3420043429