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20469097 = 114873821
BaseRepresentation
bin100111000010…
…1010101101001
31102111221022201
41032011111221
520220002342
62010420201
7335661445
oct116052551
942457281
1020469097
1110610810
126a31661
134318abc
142a0b825
151be4db7
hex1385569

20469097 has 8 divisors (see below), whose sum is σ = 22381632. Its totient is φ = 18565200.

The previous prime is 20469091. The next prime is 20469101. The reversal of 20469097 is 79096402.

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

It is a cyclic number.

It is not a de Polignac number, because 20469097 - 23 = 20469089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20469091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3447 + ... + 7267.

It is an arithmetic number, because the mean of its divisors is an integer number (2797704).

Almost surely, 220469097 is an apocalyptic number.

It is an amenable number.

20469097 is a deficient number, since it is larger than the sum of its proper divisors (1912535).

20469097 is a wasteful number, since it uses less digits than its factorization.

20469097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4319.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 20469097 is about 4524.2786165310. The cubic root of 20469097 is about 273.5475911109.

The spelling of 20469097 in words is "twenty million, four hundred sixty-nine thousand, ninety-seven".

Divisors: 1 11 487 3821 5357 42031 1860827 20469097