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354430149 = 3472513689
BaseRepresentation
bin10101001000000…
…010110011000101
3220200220220202120
4111020002303011
51211213231044
655100400153
711532415023
oct2510026305
9820826676
10354430149
11172080687
129a846059
13585777a8
1435101713
15211b1519
hex15202cc5

354430149 has 8 divisors (see below), whose sum is σ = 482628480. Its totient is φ = 231259296.

The previous prime is 354430147. The next prime is 354430163. The reversal of 354430149 is 941034453.

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

It is not a de Polignac number, because 354430149 - 21 = 354430147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354430147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1256704 + ... + 1256985.

It is an arithmetic number, because the mean of its divisors is an integer number (60328560).

Almost surely, 2354430149 is an apocalyptic number.

It is an amenable number.

354430149 is a deficient number, since it is larger than the sum of its proper divisors (128198331).

354430149 is a wasteful number, since it uses less digits than its factorization.

354430149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513739.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 354430149 is about 18826.3153325339. The cubic root of 354430149 is about 707.6908042940.

The spelling of 354430149 in words is "three hundred fifty-four million, four hundred thirty thousand, one hundred forty-nine".

Divisors: 1 3 47 141 2513689 7541067 118143383 354430149