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472123093 = 132315110457
BaseRepresentation
bin11100001001000…
…000011011010101
31012220101100010111
4130021000123111
51431330414333
6114503123021
714461660111
oct3411003325
91186340114
10472123093
11222557082
12112143471
1376a745a0
14469ba741
152b6ad4cd
hex1c2406d5

472123093 has 16 divisors (see below), whose sum is σ = 534110976. Its totient is φ = 414057600.

The previous prime is 472123081. The next prime is 472123109. The reversal of 472123093 is 390321274.

It is a cyclic number.

It is not a de Polignac number, because 472123093 - 217 = 471992021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472123063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39921 + ... + 50377.

It is an arithmetic number, because the mean of its divisors is an integer number (33381936).

Almost surely, 2472123093 is an apocalyptic number.

It is an amenable number.

472123093 is a deficient number, since it is larger than the sum of its proper divisors (61987883).

472123093 is a wasteful number, since it uses less digits than its factorization.

472123093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10644.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 472123093 is about 21728.3937050119. The cubic root of 472123093 is about 778.6669609934. Note that the first 3 decimals are identical.

It can be divided in two parts, 47212 and 3093, that added together give a palindrome (50305).

The spelling of 472123093 in words is "four hundred seventy-two million, one hundred twenty-three thousand, ninety-three".

Divisors: 1 13 23 151 299 1963 3473 10457 45149 135941 240511 1579007 3126643 20527091 36317161 472123093