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101213408 = 2513723087
BaseRepresentation
bin1100000100001…
…10010011100000
321001110011200202
412002012103200
5201402312113
614013204332
72336204552
oct602062340
9231404622
10101213408
115215014a
1229a906a8
1317c79bba
14d6294d2
158d44258
hex60864e0

101213408 has 24 divisors (see below), whose sum is σ = 200727072. Its totient is φ = 50235136.

The previous prime is 101213407. The next prime is 101213417. The reversal of 101213408 is 804312101.

It is a self number, because there is not a number n which added to its sum of digits gives 101213408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101213401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7160 + ... + 15927.

It is an arithmetic number, because the mean of its divisors is an integer number (8363628).

Almost surely, 2101213408 is an apocalyptic number.

It is an amenable number.

101213408 is a deficient number, since it is larger than the sum of its proper divisors (99513664).

101213408 is a wasteful number, since it uses less digits than its factorization.

101213408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23234 (or 23226 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 101213408 is about 10060.4874633389. The cubic root of 101213408 is about 466.0287210527.

Adding to 101213408 its reverse (804312101), we get a palindrome (905525509).

The spelling of 101213408 in words is "one hundred one million, two hundred thirteen thousand, four hundred eight".

Divisors: 1 2 4 8 16 32 137 274 548 1096 2192 4384 23087 46174 92348 184696 369392 738784 3162919 6325838 12651676 25303352 50606704 101213408