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102424020 = 22351707067
BaseRepresentation
bin1100001101011…
…01110111010100
321010201200100020
412012231313110
5202210032040
614055145140
72352406206
oct606556724
9233650306
10102424020
11528a7756
122a3751b0
13182b1c3a
14d862776
158ed2cd0
hex61addd4

102424020 has 24 divisors (see below), whose sum is σ = 286787424. Its totient is φ = 27313056.

The previous prime is 102424019. The next prime is 102424033. The reversal of 102424020 is 20424201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853474 + ... + 853593.

It is an arithmetic number, because the mean of its divisors is an integer number (11949476).

Almost surely, 2102424020 is an apocalyptic number.

102424020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102424020 is an abundant number, since it is smaller than the sum of its proper divisors (184363404).

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

102424020 is a wasteful number, since it uses less digits than its factorization.

102424020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707079 (or 1707077 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 102424020 is about 10120.4752852818. The cubic root of 102424020 is about 467.8794159344.

Adding to 102424020 its reverse (20424201), we get a palindrome (122848221).

The spelling of 102424020 in words is "one hundred two million, four hundred twenty-four thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1707067 3414134 5121201 6828268 8535335 10242402 17070670 20484804 25606005 34141340 51212010 102424020