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420700584 = 233194911879
BaseRepresentation
bin11001000100110…
…110000110101000
31002022121210201010
4121010312012220
51330144404314
6105425023520
713265616213
oct3104660650
91068553633
10420700584
111a6524637
12b8a84ba0
136920b875
143dc3277a
1526e02059
hex191361a8

420700584 has 64 divisors (see below), whose sum is σ = 1109952000. Its totient is φ = 132511680.

The previous prime is 420700531. The next prime is 420700589. The reversal of 420700584 is 485007024.

It is not an unprimeable number, because it can be changed into a prime (420700589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222957 + ... + 224835.

It is an arithmetic number, because the mean of its divisors is an integer number (17343000).

Almost surely, 2420700584 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420700584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554976000).

420700584 is an abundant number, since it is smaller than the sum of its proper divisors (689251416).

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

420700584 is a wasteful number, since it uses less digits than its factorization.

420700584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398 (or 2394 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 420700584 is about 20510.9869094590. The cubic root of 420700584 is about 749.3034029815.

The spelling of 420700584 in words is "four hundred twenty million, seven hundred thousand, five hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 491 982 1473 1879 1964 2946 3758 3928 5637 5892 7516 9329 11274 11784 15032 18658 22548 27987 35701 37316 45096 55974 71402 74632 107103 111948 142804 214206 223896 285608 428412 856824 922589 1845178 2767767 3690356 5535534 7380712 11071068 17529191 22142136 35058382 52587573 70116764 105175146 140233528 210350292 420700584