Search a number
-
+
102949768 = 2329443749
BaseRepresentation
bin1100010001011…
…10001110001000
321011201101112101
412020232032020
5202323343033
614114323144
72360026045
oct610561610
9234641471
10102949768
1153126759
122a5894b4
131843732c
14d95c1cc
15908897d
hex622e388

102949768 has 16 divisors (see below), whose sum is σ = 199687500. Its totient is φ = 49699776.

The previous prime is 102949757. The next prime is 102949789. The reversal of 102949768 is 867949201.

It can be written as a sum of positive squares in 2 ways, for example, as 97180164 + 5769604 = 9858^2 + 2402^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221643 + ... + 222106.

Almost surely, 2102949768 is an apocalyptic number.

It is an amenable number.

102949768 is a deficient number, since it is larger than the sum of its proper divisors (96737732).

102949768 is a wasteful number, since it uses less digits than its factorization.

102949768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443784 (or 443780 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 102949768 is about 10146.4165102759. The cubic root of 102949768 is about 468.6786001353.

The spelling of 102949768 in words is "one hundred two million, nine hundred forty-nine thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 29 58 116 232 443749 887498 1774996 3549992 12868721 25737442 51474884 102949768