Search a number
-
+
104983947 = 3247248189
BaseRepresentation
bin1100100000111…
…10110110001011
321022112201220100
412100132312023
5203333441242
614230100443
72413230435
oct620366613
9238481810
10104983947
1154295aa2
122b1aa723
131899a1a3
14dd2b655
15933b54c
hex641ed8b

104983947 has 12 divisors (see below), whose sum is σ = 154870560. Its totient is φ = 68499888.

The previous prime is 104983939. The next prime is 104983979. The reversal of 104983947 is 749389401.

It is not a de Polignac number, because 104983947 - 23 = 104983939 is a prime.

It is a super-2 number, since 2×1049839472 = 22043258255397618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104983927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123672 + ... + 124517.

It is an arithmetic number, because the mean of its divisors is an integer number (12905880).

Almost surely, 2104983947 is an apocalyptic number.

104983947 is a deficient number, since it is larger than the sum of its proper divisors (49886613).

104983947 is a wasteful number, since it uses less digits than its factorization.

104983947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248242 (or 248239 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 104983947 is about 10246.1674298247. The cubic root of 104983947 is about 471.7453545392.

The spelling of 104983947 in words is "one hundred four million, nine hundred eighty-three thousand, nine hundred forty-seven".

Divisors: 1 3 9 47 141 423 248189 744567 2233701 11664883 34994649 104983947