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100730474 = 21317349653
BaseRepresentation
bin1100000000100…
…00011001101010
321000112122020022
412000100121222
5201241333344
613555000442
72332123565
oct600203152
9230478208
10100730474
1151950329
1229899122
1317b3b140
14d5414dc
158c9b0ee
hex601066a

100730474 has 32 divisors (see below), whose sum is σ = 173048400. Its totient is φ = 43564032.

The previous prime is 100730473. The next prime is 100730479. The reversal of 100730474 is 474037001.

It can be written as a sum of positive squares in 8 ways, for example, as 43652449 + 57078025 = 6607^2 + 7555^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (100730471) 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, 153932 + ... + 154584.

Almost surely, 2100730474 is an apocalyptic number.

100730474 is a deficient number, since it is larger than the sum of its proper divisors (72317926).

100730474 is a wasteful number, since it uses less digits than its factorization.

100730474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 100730474 is about 10036.4572434699. The cubic root of 100730474 is about 465.2863292223.

Adding to 100730474 its reverse (474037001), we get a palindrome (574767475).

The spelling of 100730474 in words is "one hundred million, seven hundred thirty thousand, four hundred seventy-four".

Divisors: 1 2 13 17 26 34 221 349 442 653 698 1306 4537 5933 8489 9074 11101 11866 16978 22202 77129 144313 154258 227897 288626 455794 2962661 3874249 5925322 7748498 50365237 100730474