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9142480 = 245114281
BaseRepresentation
bin100010111000…
…000011010000
3122012111010101
4202320003100
54320024410
6523542144
7140465314
oct42700320
918174111
109142480
115184976
12308a954
131b81469
1412ddb44
15c08d3a
hex8b80d0

9142480 has 20 divisors (see below), whose sum is σ = 21256452. Its totient is φ = 3656960.

The previous prime is 9142429. The next prime is 9142499. The reversal of 9142480 is 842419.

It can be written as a sum of positive squares in 2 ways, for example, as 4511376 + 4631104 = 2124^2 + 2152^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57061 + ... + 57220.

Almost surely, 29142480 is an apocalyptic number.

It is an amenable number.

9142480 is an abundant number, since it is smaller than the sum of its proper divisors (12113972).

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

9142480 is a wasteful number, since it uses less digits than its factorization.

9142480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114294 (or 114288 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 9142480 is about 3023.6534192926. The cubic root of 9142480 is about 209.1003082216.

Adding to 9142480 its reverse (842419), we get a palindrome (9984899).

The spelling of 9142480 in words is "nine million, one hundred forty-two thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 114281 228562 457124 571405 914248 1142810 1828496 2285620 4571240 9142480