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9148428 = 22321991277
BaseRepresentation
bin100010111001…
…100000001100
3122012210021200
4202321200030
54320222203
6524025500
7140521542
oct42714014
918183250
109148428
115189393
123092290
131b84093
141301d92
15c0a9a3
hex8b980c

9148428 has 36 divisors (see below), whose sum is σ = 23259600. Its totient is φ = 3031776.

The previous prime is 9148423. The next prime is 9148459. The reversal of 9148428 is 8248419.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 9148392 and 9148401.

It is not an unprimeable number, because it can be changed into a prime (9148423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6526 + ... + 7802.

It is an arithmetic number, because the mean of its divisors is an integer number (646100).

Almost surely, 29148428 is an apocalyptic number.

It is an amenable number.

9148428 is an abundant number, since it is smaller than the sum of its proper divisors (14111172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9148428 is a wasteful number, since it uses less digits than its factorization.

9148428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486 (or 1481 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 9148428 is about 3024.6368377047. The cubic root of 9148428 is about 209.1456445348.

Subtracting from 9148428 its reverse (8248419), we obtain a palindrome (900009).

The spelling of 9148428 in words is "nine million, one hundred forty-eight thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 199 398 597 796 1194 1277 1791 2388 2554 3582 3831 5108 7164 7662 11493 15324 22986 45972 254123 508246 762369 1016492 1524738 2287107 3049476 4574214 9148428