Search a number
-
+
106631774 = 253315887
BaseRepresentation
bin1100101101100…
…01001001011110
321102122110021222
412112301021132
5204244204044
614325253342
72433232544
oct626611136
9242573258
10106631774
1155211037
122b864252
1319126232
1410239d94
1595648ee
hex65b125e

106631774 has 4 divisors (see below), whose sum is σ = 159947664. Its totient is φ = 53315886.

The previous prime is 106631761. The next prime is 106631797. The reversal of 106631774 is 477136601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 477136601 = 1049454849.

It is a super-2 number, since 2×1066317742 = 22740670452774152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26657942 + ... + 26657945.

It is an arithmetic number, because the mean of its divisors is an integer number (39986916).

Almost surely, 2106631774 is an apocalyptic number.

106631774 is a deficient number, since it is larger than the sum of its proper divisors (53315890).

106631774 is an equidigital number, since it uses as much as digits as its factorization.

106631774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53315889.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 106631774 is about 10326.2662177575. The cubic root of 106631774 is about 474.2007226704.

The spelling of 106631774 in words is "one hundred six million, six hundred thirty-one thousand, seven hundred seventy-four".

Divisors: 1 2 53315887 106631774