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100384489 = 2343101501
BaseRepresentation
bin1011111101110…
…11111011101001
320222220001122001
411332323323221
5201144300424
613543331001
72326153102
oct576737351
9228801561
10100384489
1151734397
1229750a61
1317a4980a
14d4913a9
158c2d844
hex5fbbee9

100384489 has 8 divisors (see below), whose sum is σ = 107186112. Its totient is φ = 93786000.

The previous prime is 100384481. The next prime is 100384499. The reversal of 100384489 is 984483001.

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 100384489 - 23 = 100384481 is a prime.

It is a super-2 number, since 2×1003844892 = 20154091263582242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100384481) 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, 49762 + ... + 51739.

It is an arithmetic number, because the mean of its divisors is an integer number (13398264).

Almost surely, 2100384489 is an apocalyptic number.

It is an amenable number.

100384489 is a deficient number, since it is larger than the sum of its proper divisors (6801623).

100384489 is a wasteful number, since it uses less digits than its factorization.

100384489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101567.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 100384489 is about 10019.2060064658. The cubic root of 100384489 is about 464.7530025194.

The spelling of 100384489 in words is "one hundred million, three hundred eighty-four thousand, four hundred eighty-nine".

Divisors: 1 23 43 989 101501 2334523 4364543 100384489