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990150501 = 31073084581
BaseRepresentation
bin111011000001000…
…111111101100101
32120000010212010210
4323001013331211
54011434304001
6242130210033
733352066104
oct7301077545
92500125123
10990150501
11468a067aa
12237723919
1312a19bc92
149570603b
155bdd7dd6
hex3b047f65

990150501 has 8 divisors (see below), whose sum is σ = 1332539424. Its totient is φ = 653930960.

The previous prime is 990150479. The next prime is 990150517. The reversal of 990150501 is 105051099.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-990150501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990150901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1541970 + ... + 1542611.

It is an arithmetic number, because the mean of its divisors is an integer number (166567428).

Almost surely, 2990150501 is an apocalyptic number.

It is an amenable number.

990150501 is a deficient number, since it is larger than the sum of its proper divisors (342388923).

990150501 is a wasteful number, since it uses less digits than its factorization.

990150501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084691.

The product of its (nonzero) digits is 2025, while the sum is 30.

The square root of 990150501 is about 31466.6569721030. The cubic root of 990150501 is about 996.7059951123.

The spelling of 990150501 in words is "nine hundred ninety million, one hundred fifty thousand, five hundred one".

Divisors: 1 3 107 321 3084581 9253743 330050167 990150501