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23494149 = 3273710079
BaseRepresentation
bin101100110011…
…1111000000101
31122012121220200
41121213320011
522003303044
62155321113
7403461030
oct131477005
948177820
1023494149
1112297558
127a50199
134b37983
143198017
1520e1369
hex1667e05

23494149 has 24 divisors (see below), whose sum is σ = 39836160. Its totient is φ = 13061088.

The previous prime is 23494117. The next prime is 23494183. The reversal of 23494149 is 94149432.

23494149 is a `hidden beast` number, since 23 + 494 + 149 = 666.

It is not a de Polignac number, because 23494149 - 25 = 23494117 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23494649) 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 23 ways as a sum of consecutive naturals, for example, 2709 + ... + 7370.

It is an arithmetic number, because the mean of its divisors is an integer number (1659840).

Almost surely, 223494149 is an apocalyptic number.

It is an amenable number.

23494149 is a deficient number, since it is larger than the sum of its proper divisors (16342011).

23494149 is a wasteful number, since it uses less digits than its factorization.

23494149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10129 (or 10126 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 23494149 is about 4847.0763352768. The cubic root of 23494149 is about 286.4089419420.

The spelling of 23494149 in words is "twenty-three million, four hundred ninety-four thousand, one hundred forty-nine".

Divisors: 1 3 7 9 21 37 63 111 259 333 777 2331 10079 30237 70553 90711 211659 372923 634977 1118769 2610461 3356307 7831383 23494149