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100384121 = 2313133317
BaseRepresentation
bin1011111101110…
…11110101111001
320222220001010102
411332323311321
5201144242441
613543325145
72326152035
oct576736571
9228801112
10100384121
1151734092
12297507b5
1317a495b6
14d4911c5
158c2d69b
hex5fbbd79

100384121 has 8 divisors (see below), whose sum is σ = 105551424. Its totient is φ = 95283760.

The previous prime is 100384093. The next prime is 100384129. The reversal of 100384121 is 121483001.

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

It is a cyclic number.

It is not a de Polignac number, because 100384121 - 218 = 100121977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100384093 and 100384102.

It is not an unprimeable number, because it can be changed into a prime (100384129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13646 + ... + 19671.

It is an arithmetic number, because the mean of its divisors is an integer number (13193928).

Almost surely, 2100384121 is an apocalyptic number.

It is an amenable number.

100384121 is a deficient number, since it is larger than the sum of its proper divisors (5167303).

100384121 is a wasteful number, since it uses less digits than its factorization.

100384121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33471.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 100384121 is about 10019.1876417203. The cubic root of 100384121 is about 464.7524346052.

The spelling of 100384121 in words is "one hundred million, three hundred eighty-four thousand, one hundred twenty-one".

Divisors: 1 23 131 3013 33317 766291 4364527 100384121