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380134778 = 24716692423
BaseRepresentation
bin10110101010000…
…110010101111010
3222111021211212212
4112222012111322
51234303303103
6101415335122
712264043442
oct2652062572
9874254785
10380134778
11185637981
12a73814a2
13609a762a
14386b3122
152358c7d8
hex16a8657a

380134778 has 16 divisors (see below), whose sum is σ = 582923520. Its totient is φ = 185835216.

The previous prime is 380134759. The next prime is 380134789. The reversal of 380134778 is 877431083.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155675 + ... + 158097.

It is an arithmetic number, because the mean of its divisors is an integer number (36432720).

Almost surely, 2380134778 is an apocalyptic number.

380134778 is a deficient number, since it is larger than the sum of its proper divisors (202788742).

380134778 is a wasteful number, since it uses less digits than its factorization.

380134778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 380134778 is about 19497.0453659010. The cubic root of 380134778 is about 724.4012673922.

The spelling of 380134778 in words is "three hundred eighty million, one hundred thirty-four thousand, seven hundred seventy-eight".

Divisors: 1 2 47 94 1669 2423 3338 4846 78443 113881 156886 227762 4043987 8087974 190067389 380134778