Search a number
-
+
101078838 = 23271747189
BaseRepresentation
bin1100000011001…
…01011100110110
321001012100002200
412001211130312
5201334010323
614010245330
72335104330
oct601453466
9231170080
10101078838
1152069033
1229a26846
1317c30883
14d5d2450
158d19443
hex6065736

101078838 has 48 divisors (see below), whose sum is σ = 265019040. Its totient is φ = 27180288.

The previous prime is 101078837. The next prime is 101078843. The reversal of 101078838 is 838870101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101078837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21453 + ... + 25736.

It is an arithmetic number, because the mean of its divisors is an integer number (5521230).

Almost surely, 2101078838 is an apocalyptic number.

101078838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

101078838 is an abundant number, since it is smaller than the sum of its proper divisors (163940202).

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

101078838 is a wasteful number, since it uses less digits than its factorization.

101078838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47221 (or 47218 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 101078838 is about 10053.7971931007. The cubic root of 101078838 is about 465.8220906576.

The spelling of 101078838 in words is "one hundred one million, seventy-eight thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 7 9 14 17 18 21 34 42 51 63 102 119 126 153 238 306 357 714 1071 2142 47189 94378 141567 283134 330323 424701 660646 802213 849402 990969 1604426 1981938 2406639 2972907 4813278 5615491 5945814 7219917 11230982 14439834 16846473 33692946 50539419 101078838