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122197473 = 3213577497
BaseRepresentation
bin1110100100010…
…01010111100001
322111221021102100
413102021113201
5222240304343
620043041013
73012442566
oct722112741
9274837370
10122197473
1162a82852
1234b10169
131c4161c8
141232c86d
15aadb9d3
hex74895e1

122197473 has 6 divisors (see below), whose sum is σ = 176507474. Its totient is φ = 81464976.

The previous prime is 122197451. The next prime is 122197499. The reversal of 122197473 is 374791221.

It can be written as a sum of positive squares in only one way, i.e., 81595089 + 40602384 = 9033^2 + 6372^2 .

It is not a de Polignac number, because 122197473 - 212 = 122193377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122197403) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 6788740 + ... + 6788757.

Almost surely, 2122197473 is an apocalyptic number.

It is an amenable number.

122197473 is a deficient number, since it is larger than the sum of its proper divisors (54310001).

122197473 is a wasteful number, since it uses less digits than its factorization.

122197473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13577503 (or 13577500 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 122197473 is about 11054.2965854911. The cubic root of 122197473 is about 496.2350183178.

The spelling of 122197473 in words is "one hundred twenty-two million, one hundred ninety-seven thousand, four hundred seventy-three".

Divisors: 1 3 9 13577497 40732491 122197473