Search a number
-
+
107073978 = 23111622333
BaseRepresentation
bin1100110000111…
…01000110111010
321110110220212220
412120131012322
5204402331403
614342544510
72440054014
oct630350672
9243426786
10107073978
11554932a0
122ba38136
131924c5ab
14103131b4
159600953
hex661d1ba

107073978 has 16 divisors (see below), whose sum is σ = 233616096. Its totient is φ = 32446640.

The previous prime is 107073961. The next prime is 107073979. The reversal of 107073978 is 879370701.

It is a happy number.

It is a super-2 number, since 2×1070739782 = 22929673529488968, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (107073979) 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, 811101 + ... + 811232.

It is an arithmetic number, because the mean of its divisors is an integer number (14601006).

Almost surely, 2107073978 is an apocalyptic number.

107073978 is an abundant number, since it is smaller than the sum of its proper divisors (126542118).

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

107073978 is a wasteful number, since it uses less digits than its factorization.

107073978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622349.

The product of its (nonzero) digits is 74088, while the sum is 42.

The square root of 107073978 is about 10347.6556765289. The cubic root of 107073978 is about 474.8553250993.

The spelling of 107073978 in words is "one hundred seven million, seventy-three thousand, nine hundred seventy-eight".

Divisors: 1 2 3 6 11 22 33 66 1622333 3244666 4866999 9733998 17845663 35691326 53536989 107073978