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1355112448 = 213831993
BaseRepresentation
bin101000011000101…
…0110000000000000
310111102212211210221
41100301112000000
510233402044243
6342244432424
745403160104
oct12061260000
93442784727
101355112448
11635a20048
123199a8714
131879933b1
14cbd89904
157de79bed
hex50c56000

1355112448 has 56 divisors (see below), whose sum is σ = 2744086968. Its totient is φ = 669057024.

The previous prime is 1355112439. The next prime is 1355112463. The reversal of 1355112448 is 8442115531.

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, 678940 + ... + 680932.

It is an arithmetic number, because the mean of its divisors is an integer number (49001553).

Almost surely, 21355112448 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 1355112448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1372043484).

1355112448 is an abundant number, since it is smaller than the sum of its proper divisors (1388974520).

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

1355112448 is an frugal number, since it uses more digits than its factorization.

1355112448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102 (or 2078 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

The square root of 1355112448 is about 36811.8520044836. The cubic root of 1355112448 is about 1106.6028343370.

Adding to 1355112448 its reverse (8442115531), we get a palindrome (9797227979).

The spelling of 1355112448 in words is "one billion, three hundred fifty-five million, one hundred twelve thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 83 128 166 256 332 512 664 1024 1328 1993 2048 2656 3986 4096 5312 7972 8192 10624 15944 21248 31888 42496 63776 84992 127552 165419 169984 255104 330838 339968 510208 661676 679936 1020416 1323352 2040832 2646704 4081664 5293408 8163328 10586816 16326656 21173632 42347264 84694528 169389056 338778112 677556224 1355112448