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100380142 = 2232182177
BaseRepresentation
bin1011111101110…
…10110111101110
320222212211200001
411332322313232
5201144131032
613543254514
72326134322
oct576726756
9228784601
10100380142
11517310a5
122974a43a
1317a47845
14d48d982
158c2c3e7
hex5fbadee

100380142 has 8 divisors (see below), whose sum is σ = 157116816. Its totient is φ = 48007872.

The previous prime is 100380131. The next prime is 100380143. The reversal of 100380142 is 241083001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100380143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1091043 + ... + 1091134.

It is an arithmetic number, because the mean of its divisors is an integer number (19639602).

Almost surely, 2100380142 is an apocalyptic number.

100380142 is a deficient number, since it is larger than the sum of its proper divisors (56736674).

100380142 is a wasteful number, since it uses less digits than its factorization.

100380142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182202.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 100380142 is about 10018.9890707596. The cubic root of 100380142 is about 464.7462939449.

The spelling of 100380142 in words is "one hundred million, three hundred eighty thousand, one hundred forty-two".

Divisors: 1 2 23 46 2182177 4364354 50190071 100380142