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142635248 = 2478531493
BaseRepresentation
bin10001000000001…
…11000011110000
3100221101121202222
420200013003300
5243003311443
622053100212
73351244130
oct1040070360
9327347688
10142635248
1173571a78
123b927668
1323720972
1414d2cac0
15c7c7468
hex88070f0

142635248 has 40 divisors (see below), whose sum is σ = 316417248. Its totient is φ = 61016832.

The previous prime is 142635217. The next prime is 142635277. The reversal of 142635248 is 842536241.

It is a Cunningham number, because it is equal to 119432-1.

It is a congruent 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, 94790 + ... + 96282.

Almost surely, 2142635248 is an apocalyptic number.

It is an amenable number.

142635248 is an abundant number, since it is smaller than the sum of its proper divisors (173782000).

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

142635248 is a wasteful number, since it uses less digits than its factorization.

142635248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361 (or 2355 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 142635248 is about 11942.9999581345. Note that the first 4 decimals coincide. The cubic root of 142635248 is about 522.4871579454.

The spelling of 142635248 in words is "one hundred forty-two million, six hundred thirty-five thousand, two hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 853 1493 1706 2986 3412 5971 5972 6824 10451 11942 11944 13648 20902 23884 23888 41804 47768 83608 95536 167216 1273529 2547058 5094116 8914703 10188232 17829406 20376464 35658812 71317624 142635248