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101487730 = 2523441251
BaseRepresentation
bin1100000110010…
…01010001110010
321001222002222211
412003021101302
5201440101410
614023122334
72341426411
oct603112162
9231862884
10101487730
1152318263
1229ba33aa
1318044a16
14d69b478
158d9a68a
hex60c9472

101487730 has 16 divisors (see below), whose sum is σ = 190620864. Its totient is φ = 38830000.

The previous prime is 101487719. The next prime is 101487731. The reversal of 101487730 is 37784101.

It is a junction number, because it is equal to n+sod(n) for n = 101487692 and 101487701.

It is not an unprimeable number, because it can be changed into a prime (101487731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220396 + ... + 220855.

It is an arithmetic number, because the mean of its divisors is an integer number (11913804).

Almost surely, 2101487730 is an apocalyptic number.

101487730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101487730 is a deficient number, since it is larger than the sum of its proper divisors (89133134).

101487730 is a wasteful number, since it uses less digits than its factorization.

101487730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441281.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 101487730 is about 10074.1118715250. Note that the first 3 decimals coincide. The cubic root of 101487730 is about 466.4493721927.

The spelling of 101487730 in words is "one hundred one million, four hundred eighty-seven thousand, seven hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 441251 882502 2206255 4412510 10148773 20297546 50743865 101487730