Search a number
-
+
102938469 = 3319110753
BaseRepresentation
bin1100010001010…
…11011101100101
321011200211000220
412020223131211
5202323012334
614114154553
72356651104
oct610533545
9234624026
10102938469
1153119217
122a582a59
131843214a
14d95803b
159085449
hex622b765

102938469 has 8 divisors (see below), whose sum is σ = 137307072. Its totient is φ = 68597760.

The previous prime is 102938461. The next prime is 102938471. The reversal of 102938469 is 964839201.

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

It is not a de Polignac number, because 102938469 - 23 = 102938461 is a prime.

It is a super-2 number, since 2×1029384692 = 21192656800127922, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102938469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102938461) 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, 4197 + ... + 14949.

It is an arithmetic number, because the mean of its divisors is an integer number (17163384).

Almost surely, 2102938469 is an apocalyptic number.

It is an amenable number.

102938469 is a deficient number, since it is larger than the sum of its proper divisors (34368603).

102938469 is a wasteful number, since it uses less digits than its factorization.

102938469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13947.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 102938469 is about 10145.8596974332. The cubic root of 102938469 is about 468.6614532835.

The spelling of 102938469 in words is "one hundred two million, nine hundred thirty-eight thousand, four hundred sixty-nine".

Divisors: 1 3 3191 9573 10753 32259 34312823 102938469