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1420914129 = 3473638043
BaseRepresentation
bin101010010110001…
…0110110111010001
310200000200220202020
41110230112313101
510402223223004
6352555042053
750132366535
oct12454266721
93600626666
101420914129
1166a0838a8
12337a40329
131984c1cbb
14d69d7bc5
1584b268d9
hex54b16dd1

1420914129 has 4 divisors (see below), whose sum is σ = 1894552176. Its totient is φ = 947276084.

The previous prime is 1420914113. The next prime is 1420914133. The reversal of 1420914129 is 9214190241.

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 1420914129 - 24 = 1420914113 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1420914129.

It is not an unprimeable number, because it can be changed into a prime (1420914139) 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, 236819019 + ... + 236819024.

It is an arithmetic number, because the mean of its divisors is an integer number (473638044).

Almost surely, 21420914129 is an apocalyptic number.

It is an amenable number.

1420914129 is a deficient number, since it is larger than the sum of its proper divisors (473638047).

1420914129 is an equidigital number, since it uses as much as digits as its factorization.

1420914129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473638046.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1420914129 is about 37695.0146438491. The cubic root of 1420914129 is about 1124.2320036387.

The spelling of 1420914129 in words is "one billion, four hundred twenty million, nine hundred fourteen thousand, one hundred twenty-nine".

Divisors: 1 3 473638043 1420914129