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102462261 = 31119715761
BaseRepresentation
bin1100001101101…
…11001100110101
321010210121210120
412012313030311
5202212243021
614100042153
72352625536
oct606671465
9233717716
10102462261
1152923460
122a393359
13182c6475
14d87268d
158ede2c6
hex61b7335

102462261 has 16 divisors (see below), whose sum is σ = 149802048. Its totient is φ = 61779200.

The previous prime is 102462259. The next prime is 102462293. The reversal of 102462261 is 162264201.

It is not a de Polignac number, because 102462261 - 21 = 102462259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102462251) 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, 1380 + ... + 14381.

It is an arithmetic number, because the mean of its divisors is an integer number (9362628).

Almost surely, 2102462261 is an apocalyptic number.

102462261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102462261 is a deficient number, since it is larger than the sum of its proper divisors (47339787).

102462261 is a wasteful number, since it uses less digits than its factorization.

102462261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15972.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 102462261 is about 10122.3643977087. The cubic root of 102462261 is about 467.9376377932.

The spelling of 102462261 in words is "one hundred two million, four hundred sixty-two thousand, two hundred sixty-one".

Divisors: 1 3 11 33 197 591 2167 6501 15761 47283 173371 520113 3104917 9314751 34154087 102462261