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100030450 = 25213236691
BaseRepresentation
bin1011111011001…
…01011111110010
320222020001222111
411331211133302
5201101433300
613531555534
72323146652
oct575453762
9228201874
10100030450
11515123a3
12295bbbaa
1317954620
14d3dc362
158bad9ba
hex5f657f2

100030450 has 48 divisors (see below), whose sum is σ = 209111616. Its totient is φ = 35323200.

The previous prime is 100030387. The next prime is 100030453. The reversal of 100030450 is 54030001.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 100030450.

It is not an unprimeable number, because it can be changed into a prime (100030453) 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, 11605 + ... + 18295.

It is an arithmetic number, because the mean of its divisors is an integer number (4356492).

Almost surely, 2100030450 is an apocalyptic number.

100030450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100030450 is an abundant number, since it is smaller than the sum of its proper divisors (109081166).

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

100030450 is a wasteful number, since it uses less digits than its factorization.

100030450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6739 (or 6734 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 100030450 is about 10001.5223841173. The cubic root of 100030450 is about 464.2059907069.

Adding to 100030450 its reverse (54030001), we get a palindrome (154060451).

The spelling of 100030450 in words is "one hundred million, thirty thousand, four hundred fifty".

Divisors: 1 2 5 10 13 23 25 26 46 50 65 115 130 230 299 325 575 598 650 1150 1495 2990 6691 7475 13382 14950 33455 66910 86983 153893 167275 173966 307786 334550 434915 769465 869830 1538930 2000609 2174575 3847325 4001218 4349150 7694650 10003045 20006090 50015225 100030450