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428795970 = 23553269683
BaseRepresentation
bin11001100011101…
…110100001000010
31002212212002111020
4121203232201002
51334232432340
6110314330310
713424464011
oct3143564102
91085762436
10428795970
11200053839
12bb729996
136aab4535
1440d3ca78
15279a09d0
hex198ee842

428795970 has 32 divisors (see below), whose sum is σ = 1048531392. Its totient is φ = 112187712.

The previous prime is 428795911. The next prime is 428795977. The reversal of 428795970 is 79597824.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (428795977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133252 + ... + 136431.

It is an arithmetic number, because the mean of its divisors is an integer number (32766606).

Almost surely, 2428795970 is an apocalyptic number.

428795970 is an abundant number, since it is smaller than the sum of its proper divisors (619735422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428795970 is a wasteful number, since it uses less digits than its factorization.

428795970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269746.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The square root of 428795970 is about 20707.3892608412. The cubic root of 428795970 is about 754.0790900345.

The spelling of 428795970 in words is "four hundred twenty-eight million, seven hundred ninety-five thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 795 1590 269683 539366 809049 1348415 1618098 2696830 4045245 8090490 14293199 28586398 42879597 71465995 85759194 142931990 214397985 428795970