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102400260 = 22357432297
BaseRepresentation
bin1100001101010…
…00000100000100
321010200110202020
412012220010010
5202203302020
614054443140
72352250014
oct606500404
9233613666
10102400260
1152890916
122a3634b0
13182a4191
14d857c44
158ecac40
hex61a8104

102400260 has 48 divisors (see below), whose sum is σ = 287231616. Its totient is φ = 27258112.

The previous prime is 102400229. The next prime is 102400271. The reversal of 102400260 is 62004201.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43432 + ... + 45728.

It is an arithmetic number, because the mean of its divisors is an integer number (5983992).

Almost surely, 2102400260 is an apocalyptic number.

102400260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102400260 is an abundant number, since it is smaller than the sum of its proper divisors (184831356).

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

102400260 is a wasteful number, since it uses less digits than its factorization.

102400260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052 (or 3050 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 102400260 is about 10119.3013592837. The cubic root of 102400260 is about 467.8432340745.

Adding to 102400260 its reverse (62004201), we get a palindrome (164404461).

The spelling of 102400260 in words is "one hundred two million, four hundred thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 743 1486 2229 2297 2972 3715 4458 4594 6891 7430 8916 9188 11145 11485 13782 14860 22290 22970 27564 34455 44580 45940 68910 137820 1706671 3413342 5120013 6826684 8533355 10240026 17066710 20480052 25600065 34133420 51200130 102400260