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268619145 = 3517907943
BaseRepresentation
bin10000000000101…
…100110110001001
3200201110021012020
4100000230312021
51022231303040
642353235053
76441140124
oct2000546611
9621407166
10268619145
111286a05a3
1275b62a89
1343861452
14279653bb
15188b0cd0
hex1002cd89

268619145 has 8 divisors (see below), whose sum is σ = 429790656. Its totient is φ = 143263536.

The previous prime is 268619129. The next prime is 268619161. The reversal of 268619145 is 541916862.

It is an interprime number because it is at equal distance from previous prime (268619129) and next prime (268619161).

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

It is not a de Polignac number, because 268619145 - 24 = 268619129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268619097 and 268619106.

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, 8953957 + ... + 8953986.

It is an arithmetic number, because the mean of its divisors is an integer number (53723832).

Almost surely, 2268619145 is an apocalyptic number.

It is an amenable number.

268619145 is a deficient number, since it is larger than the sum of its proper divisors (161171511).

268619145 is a wasteful number, since it uses less digits than its factorization.

268619145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17907951.

The product of its digits is 103680, while the sum is 42.

The square root of 268619145 is about 16389.6047847408. The cubic root of 268619145 is about 645.2266855404.

The spelling of 268619145 in words is "two hundred sixty-eight million, six hundred nineteen thousand, one hundred forty-five".

Divisors: 1 3 5 15 17907943 53723829 89539715 268619145