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428760890 = 25127337607
BaseRepresentation
bin11001100011100…
…101111100111010
31002212210022100222
4121203211330322
51334230322030
6110313500042
713424256515
oct3143457472
91085708328
10428760890
1120002a448
12bb711622
136aaa158c
1440d2dd7c
15279953e5
hex198e5f3a

428760890 has 16 divisors (see below), whose sum is σ = 777848832. Its totient is φ = 170153424.

The previous prime is 428760863. The next prime is 428760923. The reversal of 428760890 is 98067824.

It is a super-3 number, since 3×4287608903 (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167534 + ... + 170073.

It is an arithmetic number, because the mean of its divisors is an integer number (48615552).

Almost surely, 2428760890 is an apocalyptic number.

428760890 is a deficient number, since it is larger than the sum of its proper divisors (349087942).

428760890 is a wasteful number, since it uses less digits than its factorization.

428760890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337741.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 428760890 is about 20706.5422028884. The cubic root of 428760890 is about 754.0585256187.

The spelling of 428760890 in words is "four hundred twenty-eight million, seven hundred sixty thousand, eight hundred ninety".

Divisors: 1 2 5 10 127 254 635 1270 337607 675214 1688035 3376070 42876089 85752178 214380445 428760890