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1355421152 = 2517532887
BaseRepresentation
bin101000011001010…
…0001010111100000
310111110110112021102
41100302201113200
510233441434102
6342255213532
745405614111
oct12062412740
93443415242
101355421152
11636110a78
12319b172a8
13187a70a67
14cc02a208
157dedb402
hex50ca15e0

1355421152 has 72 divisors (see below), whose sum is σ = 2883018096. Its totient is φ = 625104896.

The previous prime is 1355421131. The next prime is 1355421157. The reversal of 1355421152 is 2511245531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355421157) 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, 1527653 + ... + 1528539.

It is an arithmetic number, because the mean of its divisors is an integer number (40041918).

Almost surely, 21355421152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1355421152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1441509048).

1355421152 is an abundant number, since it is smaller than the sum of its proper divisors (1527596944).

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

1355421152 is an equidigital number, since it uses as much as digits as its factorization.

1355421152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020 (or 959 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 1355421152 is about 36816.0447631192. The cubic root of 1355421152 is about 1106.6868585532.

Adding to 1355421152 its reverse (2511245531), we get a palindrome (3866666683).

The spelling of 1355421152 in words is "one billion, three hundred fifty-five million, four hundred twenty-one thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 17 32 34 53 68 106 136 212 272 424 544 848 887 901 1696 1774 1802 2809 3548 3604 5618 7096 7208 11236 14192 14416 15079 22472 28384 28832 30158 44944 47011 47753 60316 89888 94022 95506 120632 188044 191012 241264 376088 382024 482528 752176 764048 799187 1504352 1528096 1598374 2491583 3196748 4983166 6393496 9966332 12786992 19932664 25573984 39865328 42356911 79730656 84713822 169427644 338855288 677710576 1355421152