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23106538 = 273132591
BaseRepresentation
bin101100000100…
…1001111101010
31121110221012201
41120021033222
521403402123
62143130414
7400255000
oct130111752
947427181
1023106538
1112052314
1278a3a0a
134a30410
1430d6a70
1520665ad
hex16093ea

23106538 has 32 divisors (see below), whose sum is σ = 43545600. Its totient is φ = 9137520.

The previous prime is 23106529. The next prime is 23106541. The reversal of 23106538 is 83560132.

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, 7623 + ... + 10213.

It is an arithmetic number, because the mean of its divisors is an integer number (1360800).

Almost surely, 223106538 is an apocalyptic number.

23106538 is a deficient number, since it is larger than the sum of its proper divisors (20439062).

23106538 is a wasteful number, since it uses less digits than its factorization.

23106538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627 (or 2613 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 23106538 is about 4806.9260447816. The cubic root of 23106538 is about 284.8251230441.

The spelling of 23106538 in words is "twenty-three million, one hundred six thousand, five hundred thirty-eight".

Divisors: 1 2 7 13 14 26 49 91 98 182 343 637 686 1274 2591 4459 5182 8918 18137 33683 36274 67366 126959 235781 253918 471562 888713 1650467 1777426 3300934 11553269 23106538