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106998087 = 3761101827
BaseRepresentation
bin1100110000010…
…10100101000111
321110100001210010
412120022211013
5204342414322
614341201303
72436316530
oct630124507
9243301703
10106998087
1155441279
122ba00233
1319223ba1
14102d3687
1595d820c
hex660a947

106998087 has 32 divisors (see below), whose sum is σ = 167560704. Its totient is φ = 59472000.

The previous prime is 106998079. The next prime is 106998103. The reversal of 106998087 is 780899601.

It is a happy number.

It is not a de Polignac number, because 106998087 - 23 = 106998079 is a prime.

It is a super-2 number, since 2×1069980872 = 22897181243319138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106998077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128968 + ... + 129794.

It is an arithmetic number, because the mean of its divisors is an integer number (5236272).

Almost surely, 2106998087 is an apocalyptic number.

106998087 is a deficient number, since it is larger than the sum of its proper divisors (60562617).

106998087 is a wasteful number, since it uses less digits than its factorization.

106998087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999.

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 106998087 is about 10343.9879640301. The cubic root of 106998087 is about 474.7431105863.

The spelling of 106998087 in words is "one hundred six million, nine hundred ninety-eight thousand, eighty-seven".

Divisors: 1 3 7 21 61 101 183 303 427 707 827 1281 2121 2481 5789 6161 17367 18483 43127 50447 83527 129381 151341 250581 353129 584689 1059387 1754067 5095147 15285441 35666029 106998087