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428454607 = 7586910429
BaseRepresentation
bin11001100010011…
…011001011001111
31002212012202020011
4121202123023033
51334141021412
6110303134051
713421542540
oct3142331317
91085182204
10428454607
111aa940319
12bb5a4327
136a9c5049
1440c904c7
15279347a7
hex1989b2cf

428454607 has 8 divisors (see below), whose sum is σ = 489792800. Its totient is φ = 367149024.

The previous prime is 428454599. The next prime is 428454619. The reversal of 428454607 is 706454824.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 428454607 - 23 = 428454599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 428454607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428454307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35869 + ... + 46297.

It is an arithmetic number, because the mean of its divisors is an integer number (61224100).

Almost surely, 2428454607 is an apocalyptic number.

428454607 is a deficient number, since it is larger than the sum of its proper divisors (61338193).

428454607 is a wasteful number, since it uses less digits than its factorization.

428454607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16305.

The product of its (nonzero) digits is 215040, while the sum is 40.

The square root of 428454607 is about 20699.1450789640. The cubic root of 428454607 is about 753.8789303178.

The spelling of 428454607 in words is "four hundred twenty-eight million, four hundred fifty-four thousand, six hundred seven".

Divisors: 1 7 5869 10429 41083 73003 61207801 428454607