Search a number
-
+
102671309 = 1314515443
BaseRepresentation
bin1100001111010…
…10001111001101
321011012020120002
412013222033031
5202240440214
614104334045
72354456156
oct607521715
9234166502
10102671309
1152a56524
122a474325
131836a670
14d8c892d
1590311de
hex61ea3cd

102671309 has 8 divisors (see below), whose sum is σ = 110665632. Its totient is φ = 94690800.

The previous prime is 102671291. The next prime is 102671311. The reversal of 102671309 is 903176201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102671309 is a prime.

It is a super-4 number, since 4×1026713094 (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102671389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16142 + ... + 21584.

It is an arithmetic number, because the mean of its divisors is an integer number (13833204).

Almost surely, 2102671309 is an apocalyptic number.

It is an amenable number.

102671309 is a deficient number, since it is larger than the sum of its proper divisors (7994323).

102671309 is a wasteful number, since it uses less digits than its factorization.

102671309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6907.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 102671309 is about 10132.6851821223. The cubic root of 102671309 is about 468.2556572445.

The spelling of 102671309 in words is "one hundred two million, six hundred seventy-one thousand, three hundred nine".

Divisors: 1 13 1451 5443 18863 70759 7897793 102671309