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1354402442 = 2677201221
BaseRepresentation
bin101000010111010…
…1000101010001010
310111101112202212102
41100232220222022
510233211334232
6342221313402
745364142111
oct12056505212
93441482772
101354402442
11635585668
12319705862
131877a5183
14cbc42c78
157dd89662
hex50ba8a8a

1354402442 has 4 divisors (see below), whose sum is σ = 2031603666. Its totient is φ = 677201220.

The previous prime is 1354402429. The next prime is 1354402453. The reversal of 1354402442 is 2442044531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2442044531 = 5994076869.

It can be written as a sum of positive squares in only one way, i.e., 891679321 + 462723121 = 29861^2 + 21511^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338600609 + ... + 338600612.

Almost surely, 21354402442 is an apocalyptic number.

1354402442 is a deficient number, since it is larger than the sum of its proper divisors (677201224).

1354402442 is an equidigital number, since it uses as much as digits as its factorization.

1354402442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677201223.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 1354402442 is about 36802.2070262097. The cubic root of 1354402442 is about 1106.4095337948.

Adding to 1354402442 its reverse (2442044531), we get a palindrome (3796446973).

The spelling of 1354402442 in words is "one billion, three hundred fifty-four million, four hundred two thousand, four hundred forty-two".

Divisors: 1 2 677201221 1354402442