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420060330 = 23455031031
BaseRepresentation
bin11001000010011…
…001110010101010
31002021102021110000
4121002121302222
51330013412310
6105403203430
713260311454
oct3102316252
91067367400
10420060330
111a61275a8
12b8816576
1369046311
143db072d4
1526d274c0
hex19099caa

420060330 has 80 divisors (see below), whose sum is σ = 1132838784. Its totient is φ = 111684960.

The previous prime is 420060317. The next prime is 420060337. The reversal of 420060330 is 33060024.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (420060337) 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 39 ways as a sum of consecutive naturals, for example, 406915 + ... + 407945.

Almost surely, 2420060330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420060330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566419392).

420060330 is an abundant number, since it is smaller than the sum of its proper divisors (712778454).

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

420060330 is a wasteful number, since it uses less digits than its factorization.

420060330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553 (or 1544 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 420060330 is about 20495.3733803510. The cubic root of 420060330 is about 748.9230944393.

The spelling of 420060330 in words is "four hundred twenty million, sixty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 503 810 1006 1031 1509 2062 2515 3018 3093 4527 5030 5155 6186 7545 9054 9279 10310 13581 15090 15465 18558 22635 27162 27837 30930 40743 45270 46395 55674 67905 81486 83511 92790 135810 139185 167022 203715 278370 407430 417555 518593 835110 1037186 1555779 2592965 3111558 4667337 5185930 7778895 9334674 14002011 15557790 23336685 28004022 42006033 46673370 70010055 84012066 140020110 210030165 420060330