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13923073 = 231314621
BaseRepresentation
bin110101000111…
…001100000001
3222012100212101
4311013030001
512031014243
61214230401
7226226023
oct65071401
928170771
1013923073
11794a67a
1247b5401
132b66408
141bc6013
15135054d
hexd47301

13923073 has 8 divisors (see below), whose sum is σ = 14642496. Its totient is φ = 13213200.

The previous prime is 13923059. The next prime is 13923079. The reversal of 13923073 is 37032931.

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 13923073 - 217 = 13792001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13923079) 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, 703 + ... + 5323.

It is an arithmetic number, because the mean of its divisors is an integer number (1830312).

Almost surely, 213923073 is an apocalyptic number.

It is an amenable number.

13923073 is a deficient number, since it is larger than the sum of its proper divisors (719423).

13923073 is a wasteful number, since it uses less digits than its factorization.

13923073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 13923073 is about 3731.3634237367. The cubic root of 13923073 is about 240.5719748905.

It can be divided in two parts, 1392 and 3073, that added together give a triangular number (4465 = T94).

The spelling of 13923073 in words is "thirteen million, nine hundred twenty-three thousand, seventy-three".

Divisors: 1 23 131 3013 4621 106283 605351 13923073