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20495322 = 233491773
BaseRepresentation
bin100111000101…
…1101111011010
31102120021022000
41032023233122
520221322242
62011141430
7336131061
oct116135732
942507260
1020495322
1110629491
126a44876
134327a13
142a171d8
151beca4c
hex138bbda

20495322 has 32 divisors (see below), whose sum is σ = 45696960. Its totient is φ = 6809040.

The previous prime is 20495317. The next prime is 20495333. The reversal of 20495322 is 22359402.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26128 + ... + 26900.

It is an arithmetic number, because the mean of its divisors is an integer number (1428030).

Almost surely, 220495322 is an apocalyptic number.

20495322 is an abundant number, since it is smaller than the sum of its proper divisors (25201638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20495322 is a wasteful number, since it uses less digits than its factorization.

20495322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 20495322 is about 4527.1759409150. The cubic root of 20495322 is about 273.6643642816.

The spelling of 20495322 in words is "twenty million, four hundred ninety-five thousand, three hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 491 773 982 1473 1546 2319 2946 4419 4638 6957 8838 13257 13914 20871 26514 41742 379543 759086 1138629 2277258 3415887 6831774 10247661 20495322