[go: up one dir, main page]

Search a number
-
+
102631029 = 3298291423
BaseRepresentation
bin1100001111000…
…00011001110101
321011010012022020
412013200121311
5202233143104
614103423353
72354230554
oct607403165
9234105266
10102631029
1152a29236
122a454b59
1318355227
14d8b7d9b
1590242d9
hex61e0675

102631029 has 16 divisors (see below), whose sum is σ = 141830400. Its totient is φ = 65935296.

The previous prime is 102630943. The next prime is 102631043. The reversal of 102631029 is 920136201.

It is not a de Polignac number, because 102631029 - 212 = 102626933 is a prime.

It is a super-2 number, since 2×1026310292 = 21066256227197682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102631079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71412 + ... + 72834.

It is an arithmetic number, because the mean of its divisors is an integer number (8864400).

Almost surely, 2102631029 is an apocalyptic number.

It is an amenable number.

102631029 is a deficient number, since it is larger than the sum of its proper divisors (39199371).

102631029 is a wasteful number, since it uses less digits than its factorization.

102631029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 102631029 is about 10130.6973600044. The cubic root of 102631029 is about 468.1944138938.

The spelling of 102631029 in words is "one hundred two million, six hundred thirty-one thousand, twenty-nine".

Divisors: 1 3 29 87 829 1423 2487 4269 24041 41267 72123 123801 1179667 3539001 34210343 102631029