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101492906 = 250746453
BaseRepresentation
bin1100000110010…
…10100010101010
321001222101002112
412003022202222
5201440233111
614023202322
72341450454
oct603124252
9231871075
10101492906
1152321139
1229ba63a2
1318047198
14d69d2d4
158d9be8b
hex60ca8aa

101492906 has 4 divisors (see below), whose sum is σ = 152239362. Its totient is φ = 50746452.

The previous prime is 101492891. The next prime is 101492929. The reversal of 101492906 is 609294101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 609294101 = 1346868777.

It can be written as a sum of positive squares in only one way, i.e., 84805681 + 16687225 = 9209^2 + 4085^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25373225 + ... + 25373228.

Almost surely, 2101492906 is an apocalyptic number.

101492906 is a deficient number, since it is larger than the sum of its proper divisors (50746456).

101492906 is an equidigital number, since it uses as much as digits as its factorization.

101492906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50746455.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 101492906 is about 10074.3687643445. The cubic root of 101492906 is about 466.4573018899.

The spelling of 101492906 in words is "one hundred one million, four hundred ninety-two thousand, nine hundred six".

Divisors: 1 2 50746453 101492906