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2455232240 = 24531990013
BaseRepresentation
bin1001001001010111…
…1101111011110000
320100002221201110102
42102111331323300
520012014412430
61043344051532
7114562062326
oct22225757360
96302851412
102455232240
11104aa0735a
12586303ba8
13301886756
14194119d16
15e5836345
hex9257def0

2455232240 has 40 divisors (see below), whose sum is σ = 5892563328. Its totient is φ = 950411520.

The previous prime is 2455232237. The next prime is 2455232257. The reversal of 2455232240 is 422325542.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492527 + ... + 497486.

Almost surely, 22455232240 is an apocalyptic number.

2455232240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2455232240 is an abundant number, since it is smaller than the sum of its proper divisors (3437331088).

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

2455232240 is a wasteful number, since it uses less digits than its factorization.

2455232240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990057 (or 990051 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 2455232240 is about 49550.3000999994. The cubic root of 2455232240 is about 1349.0587384805.

Adding to 2455232240 its reverse (422325542), we get a palindrome (2877557782).

The spelling of 2455232240 in words is "two billion, four hundred fifty-five million, two hundred thirty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 80 124 155 248 310 496 620 1240 2480 990013 1980026 3960052 4950065 7920104 9900130 15840208 19800260 30690403 39600520 61380806 79201040 122761612 153452015 245523224 306904030 491046448 613808060 1227616120 2455232240