Search a number
-
+
431404102 = 2991217661
BaseRepresentation
bin11001101101101…
…011010001000110
31010001202121011201
4121231223101012
51340414412402
6110450253114
713455605623
oct3155532106
91101677151
10431404102
11201575318
1210058719a
136b4b86cc
144141b34a
1527d18687
hex19b6b446

431404102 has 8 divisors (see below), whose sum is σ = 647762112. Its totient is φ = 215483400.

The previous prime is 431404097. The next prime is 431404109. The reversal of 431404102 is 201404134.

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

It is a super-2 number, since 2×4314041022 = 372218998444852808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 431404102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431404109) 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, 106849 + ... + 110812.

It is an arithmetic number, because the mean of its divisors is an integer number (80970264).

Almost surely, 2431404102 is an apocalyptic number.

431404102 is a deficient number, since it is larger than the sum of its proper divisors (216358010).

431404102 is a wasteful number, since it uses less digits than its factorization.

431404102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218654.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 431404102 is about 20770.2696660395. The cubic root of 431404102 is about 755.6048846093.

Adding to 431404102 its reverse (201404134), we get a palindrome (632808236).

The spelling of 431404102 in words is "four hundred thirty-one million, four hundred four thousand, one hundred two".

Divisors: 1 2 991 1982 217661 435322 215702051 431404102