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354423193 = 477540919
BaseRepresentation
bin10101001000000…
…001000110011001
3220200220120012221
4111020001012121
51211213020233
655100304041
711532355525
oct2510010631
9820816187
10354423193
11172076433
129a842021
1358574587
14350dcd85
15211ae42d
hex15201199

354423193 has 4 divisors (see below), whose sum is σ = 361964160. Its totient is φ = 346882228.

The previous prime is 354423163. The next prime is 354423203. The reversal of 354423193 is 391324453.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-354423193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354423133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3770413 + ... + 3770506.

It is an arithmetic number, because the mean of its divisors is an integer number (90491040).

Almost surely, 2354423193 is an apocalyptic number.

It is an amenable number.

354423193 is a deficient number, since it is larger than the sum of its proper divisors (7540967).

354423193 is an equidigital number, since it uses as much as digits as its factorization.

354423193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7540966.

The product of its digits is 38880, while the sum is 34.

The square root of 354423193 is about 18826.1305902195. The cubic root of 354423193 is about 707.6861745812.

The spelling of 354423193 in words is "three hundred fifty-four million, four hundred twenty-three thousand, one hundred ninety-three".

Divisors: 1 47 7540919 354423193