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102440032 = 253201251
BaseRepresentation
bin1100001101100…
…01110001100000
321010202111022021
412012301301200
5202211040112
614055351224
72352503662
oct606616140
9233674267
10102440032
1152908792
122a382514
13182b9306
14d868532
158ed7907
hex61b1c60

102440032 has 12 divisors (see below), whose sum is σ = 201678876. Its totient is φ = 51220000.

The previous prime is 102440021. The next prime is 102440069. The reversal of 102440032 is 230044201.

It is a super-2 number, since 2×1024400322 = 20987920312322048, which contains 22 as substring.

It is a hoax number, since the sum of its digits (16) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 102439988 and 102440015.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1600594 + ... + 1600657.

It is an arithmetic number, because the mean of its divisors is an integer number (16806573).

Almost surely, 2102440032 is an apocalyptic number.

It is an amenable number.

102440032 is a deficient number, since it is larger than the sum of its proper divisors (99238844).

102440032 is an equidigital number, since it uses as much as digits as its factorization.

102440032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201261 (or 3201253 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 102440032 is about 10121.2663239340. The cubic root of 102440032 is about 467.9037959410.

Adding to 102440032 its reverse (230044201), we get a palindrome (332484233).

The spelling of 102440032 in words is "one hundred two million, four hundred forty thousand, thirty-two".

Divisors: 1 2 4 8 16 32 3201251 6402502 12805004 25610008 51220016 102440032