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100486490 = 251317411109
BaseRepresentation
bin1011111110101…
…00110101011010
321000002020112212
411333110311122
5201211031430
613545435122
72330056346
oct577246532
9230066485
10100486490
11517a3a95
122979baa2
1317a84080
14d4ba626
158c4db95
hex5fd4d5a

100486490 has 64 divisors (see below), whose sum is σ = 211468320. Its totient is φ = 34037760.

The previous prime is 100486489. The next prime is 100486501. The reversal of 100486490 is 94684001.

It can be written as a sum of positive squares in 16 ways, for example, as 10975969 + 89510521 = 3313^2 + 9461^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90056 + ... + 91164.

Almost surely, 2100486490 is an apocalyptic number.

100486490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100486490 is an abundant number, since it is smaller than the sum of its proper divisors (110981830).

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

100486490 is a wasteful number, since it uses less digits than its factorization.

100486490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 100486490 is about 10024.2949876787. The cubic root of 100486490 is about 464.9103615706.

The spelling of 100486490 in words is "one hundred million, four hundred eighty-six thousand, four hundred ninety".

Divisors: 1 2 5 10 13 17 26 34 41 65 82 85 130 170 205 221 410 442 533 697 1066 1105 1109 1394 2210 2218 2665 3485 5330 5545 6970 9061 11090 14417 18122 18853 28834 37706 45305 45469 72085 90610 90938 94265 144170 188530 227345 245089 454690 490178 591097 772973 1182194 1225445 1545946 2450890 2955485 3864865 5910970 7729730 10048649 20097298 50243245 100486490