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425312029 = 1034129243
BaseRepresentation
bin11001010110011…
…011111100011101
31002122022002102101
4121112123330131
51332334441104
6110111525101
713353043522
oct3126337435
91078262371
10425312029
111a909424a
12ba529791
136a16482c
14406b3149
15275135a4
hex1959bf1d

425312029 has 4 divisors (see below), whose sum is σ = 429441376. Its totient is φ = 421182684.

The previous prime is 425312009. The next prime is 425312059. The reversal of 425312029 is 920213524.

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 425312029 - 29 = 425311517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425311988 and 425312006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425312009) 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, 2064519 + ... + 2064724.

It is an arithmetic number, because the mean of its divisors is an integer number (107360344).

Almost surely, 2425312029 is an apocalyptic number.

It is an amenable number.

425312029 is a deficient number, since it is larger than the sum of its proper divisors (4129347).

425312029 is a wasteful number, since it uses less digits than its factorization.

425312029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129346.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 425312029 is about 20623.0945544067. The cubic root of 425312029 is about 752.0312516484.

The spelling of 425312029 in words is "four hundred twenty-five million, three hundred twelve thousand, twenty-nine".

Divisors: 1 103 4129243 425312029