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434961690 = 23589162907
BaseRepresentation
bin11001111011001…
…111110100011010
31010022110100021020
4121323033310122
51342322233230
6111054423310
713531053612
oct3173176432
91108410236
10434961690
11203585179
12101801b36
136c162aa7
1441aa5a42
15282bc810
hex19ecfd1a

434961690 has 32 divisors (see below), whose sum is σ = 1055643840. Its totient is φ = 114685824.

The previous prime is 434961649. The next prime is 434961731. The reversal of 434961690 is 96169434.

It is an interprime number because it is at equal distance from previous prime (434961649) and next prime (434961731).

It is a super-2 number, since 2×4349616902 = 378383343535312200, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78784 + ... + 84123.

It is an arithmetic number, because the mean of its divisors is an integer number (32988870).

Almost surely, 2434961690 is an apocalyptic number.

434961690 is an abundant number, since it is smaller than the sum of its proper divisors (620682150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

434961690 is a wasteful number, since it uses less digits than its factorization.

434961690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163006.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 434961690 is about 20855.7351824384. The cubic root of 434961690 is about 757.6762412739.

The spelling of 434961690 in words is "four hundred thirty-four million, nine hundred sixty-one thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 89 178 267 445 534 890 1335 2670 162907 325814 488721 814535 977442 1629070 2443605 4887210 14498723 28997446 43496169 72493615 86992338 144987230 217480845 434961690