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385483490 = 2572786701
BaseRepresentation
bin10110111110100…
…000001011100010
3222212100120221022
4112332200023202
51242140432430
6102130125442
712360361400
oct2676401342
9885316838
10385483490
111886604a7
12a9120882
1361b2b052
14392a6470
1523c974e5
hex16fa02e2

385483490 has 24 divisors (see below), whose sum is σ = 807156252. Its totient is φ = 132165600.

The previous prime is 385483471. The next prime is 385483499. The reversal of 385483490 is 94384583.

It can be written as a sum of positive squares in 2 ways, for example, as 384983641 + 499849 = 19621^2 + 707^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (385483499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392861 + ... + 393840.

Almost surely, 2385483490 is an apocalyptic number.

385483490 is an abundant number, since it is smaller than the sum of its proper divisors (421672762).

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

385483490 is a wasteful number, since it uses less digits than its factorization.

385483490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786722 (or 786715 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 385483490 is about 19633.7334707386. The cubic root of 385483490 is about 727.7830344567.

The spelling of 385483490 in words is "three hundred eighty-five million, four hundred eighty-three thousand, four hundred ninety".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 786701 1573402 3933505 5506907 7867010 11013814 27534535 38548349 55069070 77096698 192741745 385483490