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102240201 = 3731157051
BaseRepresentation
bin1100001100000…
…00111111001001
321010101100012010
412012000333021
5202133141301
614051210133
72351012250
oct606007711
9233340163
10102240201
1152791638
122a2a6949
131824937b
14d815797
158e985d6
hex6180fc9

102240201 has 16 divisors (see below), whose sum is σ = 160821248. Its totient is φ = 56538000.

The previous prime is 102240161. The next prime is 102240241. The reversal of 102240201 is 102042201.

It is an interprime number because it is at equal distance from previous prime (102240161) and next prime (102240241).

It is a de Polignac number, because none of the positive numbers 2k-102240201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102240241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77875 + ... + 79176.

It is an arithmetic number, because the mean of its divisors is an integer number (10051328).

Almost surely, 2102240201 is an apocalyptic number.

It is an amenable number.

102240201 is a deficient number, since it is larger than the sum of its proper divisors (58581047).

102240201 is a wasteful number, since it uses less digits than its factorization.

102240201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157092.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 102240201 is about 10111.3896671031. The cubic root of 102240201 is about 467.5993493756.

Adding to 102240201 its reverse (102042201), we get a palindrome (204282402).

The spelling of 102240201 in words is "one hundred two million, two hundred forty thousand, two hundred one".

Divisors: 1 3 7 21 31 93 217 651 157051 471153 1099357 3298071 4868581 14605743 34080067 102240201