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9742488 = 233757991
BaseRepresentation
bin100101001010…
…100010011000
3200022222011220
4211022202120
54443224423
6544452040
7145544520
oct45124230
920288156
109742488
115554748
12331a020
1320315b2
141418680
15cc69e3
hex94a898

9742488 has 32 divisors (see below), whose sum is σ = 27836160. Its totient is φ = 2783520.

The previous prime is 9742483. The next prime is 9742511. The reversal of 9742488 is 8842479.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9742483) 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, 28828 + ... + 29163.

It is an arithmetic number, because the mean of its divisors is an integer number (869880).

Almost surely, 29742488 is an apocalyptic number.

It is an amenable number.

9742488 is an abundant number, since it is smaller than the sum of its proper divisors (18093672).

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

9742488 is a wasteful number, since it uses less digits than its factorization.

9742488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58007 (or 58003 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 9742488 is about 3121.2958847248. The cubic root of 9742488 is about 213.5780546686.

Subtracting from 9742488 its reverse (8842479), we obtain a palindrome (900009).

The spelling of 9742488 in words is "nine million, seven hundred forty-two thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 57991 115982 173973 231964 347946 405937 463928 695892 811874 1217811 1391784 1623748 2435622 3247496 4871244 9742488