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1353243040 = 25519994231
BaseRepresentation
bin101000010101000…
…1101100110100000
310111022100212110121
41100222031212200
510232412234130
6342140410024
745351242662
oct12052154640
93438325417
101353243040
11634963586
12319246914
1318748a536
14cba20532
157dc0ad7a
hex50a8d9a0

1353243040 has 48 divisors (see below), whose sum is σ = 3199392000. Its totient is φ = 540898560.

The previous prime is 1353243029. The next prime is 1353243041. The reversal of 1353243040 is 403423531.

It is a junction number, because it is equal to n+sod(n) for n = 1353242996 and 1353243014.

It is not an unprimeable number, because it can be changed into a prime (1353243041) 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, 317725 + ... + 321955.

It is an arithmetic number, because the mean of its divisors is an integer number (66654000).

Almost surely, 21353243040 is an apocalyptic number.

1353243040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1353243040 is an abundant number, since it is smaller than the sum of its proper divisors (1846148960).

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

1353243040 is a wasteful number, since it uses less digits than its factorization.

1353243040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6245 (or 6237 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1353243040 is about 36786.4518539095. The cubic root of 1353243040 is about 1106.0937390233.

Adding to 1353243040 its reverse (403423531), we get a palindrome (1756666571).

The spelling of 1353243040 in words is "one billion, three hundred fifty-three million, two hundred forty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1999 3998 4231 7996 8462 9995 15992 16924 19990 21155 31984 33848 39980 42310 63968 67696 79960 84620 135392 159920 169240 319840 338480 676960 8457769 16915538 33831076 42288845 67662152 84577690 135324304 169155380 270648608 338310760 676621520 1353243040