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102425472 = 27353789
BaseRepresentation
bin1100001101011…
…10001110000000
321010201202100000
412012232032000
5202210103342
614055200000
72352413352
oct606561600
9233652300
10102425472
11528a8856
122a376000
13182b27b6
14d8630d2
158ed344c
hex61ae380

102425472 has 192 divisors, whose sum is σ = 317444400. Its totient is φ = 32845824.

The previous prime is 102425471. The next prime is 102425473. The reversal of 102425472 is 274524201.

It is an interprime number because it is at equal distance from previous prime (102425471) and next prime (102425473).

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102425471) 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 23 ways as a sum of consecutive naturals, for example, 1150804 + ... + 1150892.

Almost surely, 2102425472 is an apocalyptic number.

102425472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102425472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158722200).

102425472 is an abundant number, since it is smaller than the sum of its proper divisors (215018928).

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

102425472 is an frugal number, since it uses more digits than its factorization.

102425472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 102425472 is about 10120.5470207889. The cubic root of 102425472 is about 467.8816268667.

Adding to 102425472 its reverse (274524201), we get a palindrome (376949673).

The spelling of 102425472 in words is "one hundred two million, four hundred twenty-five thousand, four hundred seventy-two".