Search a number
-
+
108996692 = 22719211971
BaseRepresentation
bin1100111111100…
…10100001010100
321121002121100112
412133302201110
5210400343232
614452102152
72462312420
oct637624124
9247077315
10108996692
1156586912
1230604958
13197737ac
1410693b80
1598804b2
hex67f2854

108996692 has 48 divisors (see below), whose sum is σ = 230791680. Its totient is φ = 43999200.

The previous prime is 108996689. The next prime is 108996733. The reversal of 108996692 is 296699801.

It is a self number, because there is not a number n which added to its sum of digits gives 108996692.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111767 + ... + 112737.

It is an arithmetic number, because the mean of its divisors is an integer number (4808160).

Almost surely, 2108996692 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108996692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115395840).

108996692 is an abundant number, since it is smaller than the sum of its proper divisors (121794988).

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

108996692 is a wasteful number, since it uses less digits than its factorization.

108996692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 108996692 is about 10440.1480832410. The cubic root of 108996692 is about 477.6807856876.

The spelling of 108996692 in words is "one hundred eight million, nine hundred ninety-six thousand, six hundred ninety-two".

Divisors: 1 2 4 7 14 19 28 38 76 133 211 266 422 532 844 971 1477 1942 2954 3884 4009 5908 6797 8018 13594 16036 18449 27188 28063 36898 56126 73796 112252 129143 204881 258286 409762 516572 819524 1434167 2868334 3892739 5736668 7785478 15570956 27249173 54498346 108996692