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354422431 = 1122929111
BaseRepresentation
bin10101001000000…
…000111010011111
3220200220112011201
4111020000322133
51211213004211
655100300331
711532353356
oct2510007237
9820815151
10354422431
11172075900
129a8416a7
135857411c
14350dc99d
15211ae0c1
hex15200e9f

354422431 has 6 divisors (see below), whose sum is σ = 389571896. Its totient is φ = 322202100.

The previous prime is 354422407. The next prime is 354422449. The reversal of 354422431 is 134224453.

It is a happy number.

It is not a de Polignac number, because 354422431 - 25 = 354422399 is a prime.

It is a super-2 number, since 2×3544224312 = 251230519191899522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 354422431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354422401) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 1464435 + ... + 1464676.

Almost surely, 2354422431 is an apocalyptic number.

354422431 is a deficient number, since it is larger than the sum of its proper divisors (35149465).

354422431 is a wasteful number, since it uses less digits than its factorization.

354422431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929133 (or 2929122 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 354422431 is about 18826.1103523803. The cubic root of 354422431 is about 707.6856674123.

Adding to 354422431 its reverse (134224453), we get a palindrome (488646884).

It can be divided in two parts, 35442 and 2431, that added together give a palindrome (37873).

The spelling of 354422431 in words is "three hundred fifty-four million, four hundred twenty-two thousand, four hundred thirty-one".

Divisors: 1 11 121 2929111 32220221 354422431