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102432414 = 2376789409
BaseRepresentation
bin1100001101011…
…11111010011110
321010202002212010
412012233322132
5202210314124
614055252050
72352442530
oct606577236
9233662763
10102432414
1152902a97
122a37a026
13182b59c6
14d865850
158ed5529
hex61afe9e

102432414 has 64 divisors (see below), whose sum is σ = 240883200. Its totient is φ = 28435968.

The previous prime is 102432413. The next prime is 102432419. The reversal of 102432414 is 414234201.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102432413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250242 + ... + 250650.

It is an arithmetic number, because the mean of its divisors is an integer number (3763800).

Almost surely, 2102432414 is an apocalyptic number.

102432414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102432414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120441600).

102432414 is an abundant number, since it is smaller than the sum of its proper divisors (138450786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102432414 is a wasteful number, since it uses less digits than its factorization.

102432414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 102432414 is about 10120.8899806292. The cubic root of 102432414 is about 467.8921970266.

Adding to 102432414 its reverse (414234201), we get a palindrome (516666615).

The spelling of 102432414 in words is "one hundred two million, four hundred thirty-two thousand, four hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 67 89 134 178 201 267 402 409 469 534 623 818 938 1227 1246 1407 1869 2454 2814 2863 3738 5726 5963 8589 11926 17178 17889 27403 35778 36401 41741 54806 72802 82209 83482 109203 125223 164418 191821 218406 250446 254807 383642 509614 575463 764421 1150926 1528842 2438867 4877734 7316601 14633202 17072069 34144138 51216207 102432414