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350031020 = 225172232633
BaseRepresentation
bin10100110111010…
…000110010101100
3220101122102021212
4110313100302230
51204101443040
654422213552
711450133413
oct2467206254
9811572255
10350031020
1116a646539
12992842b8
1357697361
14346b847a
1520ae2d65
hex14dd0cac

350031020 has 72 divisors (see below), whose sum is σ = 815107104. Its totient is φ = 125999104.

The previous prime is 350030987. The next prime is 350031023. The reversal of 350031020 is 20130053.

It is a junction number, because it is equal to n+sod(n) for n = 350030986 and 350031004.

It is not an unprimeable number, because it can be changed into a prime (350031023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131624 + ... + 134256.

It is an arithmetic number, because the mean of its divisors is an integer number (11320932).

Almost surely, 2350031020 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 350031020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407553552).

350031020 is an abundant number, since it is smaller than the sum of its proper divisors (465076084).

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

350031020 is a wasteful number, since it uses less digits than its factorization.

350031020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699 (or 2680 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 350031020 is about 18709.1159598737. The cubic root of 350031020 is about 704.7506923254.

Adding to 350031020 its reverse (20130053), we get a palindrome (370161073).

The spelling of 350031020 in words is "three hundred fifty million, thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 17 20 23 34 46 68 85 92 115 170 230 289 340 391 460 578 782 1156 1445 1564 1955 2633 2890 3910 5266 5780 6647 7820 10532 13165 13294 26330 26588 33235 44761 52660 60559 66470 89522 121118 132940 179044 223805 242236 302795 447610 605590 760937 895220 1029503 1211180 1521874 2059006 3043748 3804685 4118012 5147515 7609370 10295030 15218740 17501551 20590060 35003102 70006204 87507755 175015510 350031020