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428379592 = 23109491261
BaseRepresentation
bin11001100010001…
…000110111001000
31002212001221022211
4121202020313020
51334131121332
6110301354504
713421111044
oct3142106710
91085057284
10428379592
111aa899a23
12bb568a34
136a999b64
1440c71024
152791c447
hex19888dc8

428379592 has 16 divisors (see below), whose sum is σ = 810582300. Its totient is φ = 212224320.

The previous prime is 428379571. The next prime is 428379593. The reversal of 428379592 is 295973824.

It can be written as a sum of positive squares in 2 ways, for example, as 397842916 + 30536676 = 19946^2 + 5526^2 .

It is not an unprimeable number, because it can be changed into a prime (428379593) 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, 244759 + ... + 246502.

Almost surely, 2428379592 is an apocalyptic number.

It is an amenable number.

428379592 is a deficient number, since it is larger than the sum of its proper divisors (382202708).

428379592 is a wasteful number, since it uses less digits than its factorization.

428379592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491376 (or 491372 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 428379592 is about 20697.3329682836. The cubic root of 428379592 is about 753.8349306908.

The spelling of 428379592 in words is "four hundred twenty-eight million, three hundred seventy-nine thousand, five hundred ninety-two".

Divisors: 1 2 4 8 109 218 436 872 491261 982522 1965044 3930088 53547449 107094898 214189796 428379592