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434899490 = 2543489949
BaseRepresentation
bin11001111011000…
…000101000100010
31010022100011221112
4121323000220202
51342313240430
6111053223322
713530404354
oct3173005042
91108304845
10434899490
11203542473
12101791b42
136c14069c
1441a8b0d4
15282a9195
hex19ec0a22

434899490 has 8 divisors (see below), whose sum is σ = 782819100. Its totient is φ = 173959792.

The previous prime is 434899481. The next prime is 434899501. The reversal of 434899490 is 94998434.

It can be written as a sum of positive squares in 2 ways, for example, as 387026929 + 47872561 = 19673^2 + 6919^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21744965 + ... + 21744984.

Almost surely, 2434899490 is an apocalyptic number.

434899490 is a deficient number, since it is larger than the sum of its proper divisors (347919610).

434899490 is a wasteful number, since it uses less digits than its factorization.

434899490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43489956.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 434899490 is about 20854.2439325908. The cubic root of 434899490 is about 757.6401233736.

The spelling of 434899490 in words is "four hundred thirty-four million, eight hundred ninety-nine thousand, four hundred ninety".

Divisors: 1 2 5 10 43489949 86979898 217449745 434899490