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263380142 = 2496726513
BaseRepresentation
bin11111011001011…
…01110010101110
3200100121002122002
433230231302232
51014411131032
642045052302
76345460064
oct1754556256
9610532562
10263380142
11125742443
1274257092
134274894c
1426da0034
15181c8862
hexfb2dcae

263380142 has 8 divisors (see below), whose sum is σ = 395164656. Its totient is φ = 131658592.

The previous prime is 263380141. The next prime is 263380157. The reversal of 263380142 is 241083362.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263380141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3323 + ... + 23190.

It is an arithmetic number, because the mean of its divisors is an integer number (49395582).

Almost surely, 2263380142 is an apocalyptic number.

263380142 is a deficient number, since it is larger than the sum of its proper divisors (131784514).

263380142 is a wasteful number, since it uses less digits than its factorization.

263380142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31482.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 263380142 is about 16228.9907880928. The cubic root of 263380142 is about 641.0043978368.

The spelling of 263380142 in words is "two hundred sixty-three million, three hundred eighty thousand, one hundred forty-two".