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138233002 = 2347409487
BaseRepresentation
bin10000011110101…
…00010010101010
3100122002222000211
420033110102222
5240341424002
621414451334
73265650445
oct1017242252
9318088024
10138233002
1171035556
123a363b4a
132283bc9b
141450465c
15c207dd7
hex83d44aa

138233002 has 16 divisors (see below), whose sum is σ = 208883520. Its totient is φ = 68607648.

The previous prime is 138232981. The next prime is 138233009. The reversal of 138233002 is 200332831.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (138233009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283603 + ... + 284089.

It is an arithmetic number, because the mean of its divisors is an integer number (13055220).

Almost surely, 2138233002 is an apocalyptic number.

138233002 is a deficient number, since it is larger than the sum of its proper divisors (70650518).

138233002 is a wasteful number, since it uses less digits than its factorization.

138233002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 138233002 is about 11757.2531655995. The cubic root of 138233002 is about 517.0556004986.

Adding to 138233002 its reverse (200332831), we get a palindrome (338565833).

The spelling of 138233002 in words is "one hundred thirty-eight million, two hundred thirty-three thousand, two".

Divisors: 1 2 347 409 487 694 818 974 141923 168989 199183 283846 337978 398366 69116501 138233002