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1020090315 = 35971514643
BaseRepresentation
bin111100110011010…
…101011111001011
32122002110221211210
4330303111133023
54042120342230
6245120024203
734164424146
oct7463253713
92562427753
101020090315
114838a5a52
12245762063
1313345274a
149969b05d
155e84deb0
hex3ccd57cb

1020090315 has 32 divisors (see below), whose sum is σ = 1660248576. Its totient is φ = 534758400.

The previous prime is 1020090271. The next prime is 1020090329. The reversal of 1020090315 is 5130900201.

It is not a de Polignac number, because 1020090315 - 27 = 1020090187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020090291 and 1020090300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217384 + ... + 222026.

It is an arithmetic number, because the mean of its divisors is an integer number (51882768).

Almost surely, 21020090315 is an apocalyptic number.

1020090315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1020090315 is a deficient number, since it is larger than the sum of its proper divisors (640158261).

1020090315 is a wasteful number, since it uses less digits than its factorization.

1020090315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4899.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1020090315 is about 31938.8527502163. The cubic root of 1020090315 is about 1006.6524188565.

Adding to 1020090315 its reverse (5130900201), we get a palindrome (6150990516).

The spelling of 1020090315 in words is "one billion, twenty million, ninety thousand, three hundred fifteen".

Divisors: 1 3 5 15 97 151 291 453 485 755 1455 2265 4643 13929 14647 23215 43941 69645 73235 219705 450371 701093 1351113 2103279 2251855 3505465 6755565 10516395 68006021 204018063 340030105 1020090315