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100139570 = 2510013957
BaseRepresentation
bin1011111100000…
…00001000110010
320222102121122222
411332000020302
5201113431240
613534201042
72324113046
oct576001062
9228377588
10100139570
1151587383
1229653182
13179921ab
14d42a026
158bd0eb5
hex5f80232

100139570 has 8 divisors (see below), whose sum is σ = 180251244. Its totient is φ = 40055824.

The previous prime is 100139551. The next prime is 100139573. The reversal of 100139570 is 75931001.

It can be written as a sum of positive squares in 2 ways, for example, as 98148649 + 1990921 = 9907^2 + 1411^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (100139573) 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 3 ways as a sum of consecutive naturals, for example, 5006969 + ... + 5006988.

Almost surely, 2100139570 is an apocalyptic number.

100139570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100139570 is a deficient number, since it is larger than the sum of its proper divisors (80111674).

100139570 is a wasteful number, since it uses less digits than its factorization.

100139570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10013964.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 100139570 is about 10006.9760667247. The cubic root of 100139570 is about 464.3747251601.

The spelling of 100139570 in words is "one hundred million, one hundred thirty-nine thousand, five hundred seventy".

Divisors: 1 2 5 10 10013957 20027914 50069785 100139570