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100163642 = 282161001
BaseRepresentation
bin1011111100001…
…10000000111010
320222110211200112
411332012000322
5201120214032
613534504322
72324243165
oct576060072
9228424615
10100163642
11515a3477
12296650a2
13179a0137
14d434adc
158bd81b2
hex5f8603a

100163642 has 8 divisors (see below), whose sum is σ = 150430932. Its totient is φ = 50020000.

The previous prime is 100163633. The next prime is 100163659. The reversal of 100163642 is 246361001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 100020001 + 143641 = 10001^2 + 379^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28859 + ... + 32142.

Almost surely, 2100163642 is an apocalyptic number.

100163642 is a deficient number, since it is larger than the sum of its proper divisors (50267290).

100163642 is an equidigital number, since it uses as much as digits as its factorization.

100163642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61824.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 100163642 is about 10008.1787553980. The cubic root of 100163642 is about 464.4119316736.

The spelling of 100163642 in words is "one hundred million, one hundred sixty-three thousand, six hundred forty-two".

Divisors: 1 2 821 1642 61001 122002 50081821 100163642