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102241404 = 22322840039
BaseRepresentation
bin1100001100000…
…01010001111100
321010101101211200
412012001101330
5202133211104
614051215500
72351015616
oct606012174
9233341750
10102241404
1152792531
122a2a7590
1318249a95
14d815db6
158e98b39
hex618147c

102241404 has 18 divisors (see below), whose sum is σ = 258443640. Its totient is φ = 34080456.

The previous prime is 102241393. The next prime is 102241409. The reversal of 102241404 is 404142201.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102241409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1419984 + ... + 1420055.

It is an arithmetic number, because the mean of its divisors is an integer number (14357980).

Almost surely, 2102241404 is an apocalyptic number.

It is an amenable number.

102241404 is an abundant number, since it is smaller than the sum of its proper divisors (156202236).

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

102241404 is a wasteful number, since it uses less digits than its factorization.

102241404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840049 (or 2840044 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 102241404 is about 10111.4491543003. The cubic root of 102241404 is about 467.6011833568.

Adding to 102241404 its reverse (404142201), we get a palindrome (506383605).

It can be divided in two parts, 10224 and 1404, that added together give a triangular number (11628 = T152).

The spelling of 102241404 in words is "one hundred two million, two hundred forty-one thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 2840039 5680078 8520117 11360156 17040234 25560351 34080468 51120702 102241404