Search a number
-
+
102959810 = 2510295981
BaseRepresentation
bin1100010001100…
…00101011000010
321011201220022022
412020300223002
5202324203220
614114441442
72360100242
oct610605302
9234656268
10102959810
1153133258
122a593282
131843ba85
14d961b22
15908b925
hex6230ac2

102959810 has 8 divisors (see below), whose sum is σ = 185327676. Its totient is φ = 41183920.

The previous prime is 102959809. The next prime is 102959819. The reversal of 102959810 is 18959201.

It can be written as a sum of positive squares in 2 ways, for example, as 86694721 + 16265089 = 9311^2 + 4033^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1029598102 = 21201444950472200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102959819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5147981 + ... + 5148000.

Almost surely, 2102959810 is an apocalyptic number.

102959810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102959810 is a deficient number, since it is larger than the sum of its proper divisors (82367866).

102959810 is a wasteful number, since it uses less digits than its factorization.

102959810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10295988.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 102959810 is about 10146.9113527221. The cubic root of 102959810 is about 468.6938383678.

The spelling of 102959810 in words is "one hundred two million, nine hundred fifty-nine thousand, eight hundred ten".

Divisors: 1 2 5 10 10295981 20591962 51479905 102959810