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354133409 = 7172975911
BaseRepresentation
bin10101000110111…
…010010110100001
3220200100211201012
4111012322112201
51211124232114
655050150305
711530040630
oct2506722641
9820324635
10354133409
11171998743
129a722395
13584a26c6
1435065517
152115363e
hex151ba5a1

354133409 has 8 divisors (see below), whose sum is σ = 428531328. Its totient is φ = 285687360.

The previous prime is 354133397. The next prime is 354133411. The reversal of 354133409 is 904331453.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 354133409 - 212 = 354129313 is a prime.

It is a super-2 number, since 2×3541334092 = 250820942739922562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354133459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1487837 + ... + 1488074.

It is an arithmetic number, because the mean of its divisors is an integer number (53566416).

Almost surely, 2354133409 is an apocalyptic number.

It is an amenable number.

354133409 is a deficient number, since it is larger than the sum of its proper divisors (74397919).

354133409 is a wasteful number, since it uses less digits than its factorization.

354133409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975935.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 354133409 is about 18818.4326924428. The cubic root of 354133409 is about 707.4932488628.

The spelling of 354133409 in words is "three hundred fifty-four million, one hundred thirty-three thousand, four hundred nine".

Divisors: 1 7 17 119 2975911 20831377 50590487 354133409