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100115046 = 2325561947
BaseRepresentation
bin1011111011110…
…10001001100110
320222101101000200
411331322021212
5201112140141
613533451330
72323651413
oct575721146
9228341020
10100115046
115156aa09
1229640b46
1317983c95
14d42110a
158bc8ab6
hex5f7a266

100115046 has 12 divisors (see below), whose sum is σ = 216915972. Its totient is φ = 33371676.

The previous prime is 100115017. The next prime is 100115101. The reversal of 100115046 is 640511001.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5561947 = 100115046 / (1 + 0 + 0 + 1 + 1 + 5 + 0 + 4 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2780956 + ... + 2780991.

It is an arithmetic number, because the mean of its divisors is an integer number (18076331).

Almost surely, 2100115046 is an apocalyptic number.

100115046 is an abundant number, since it is smaller than the sum of its proper divisors (116800926).

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

100115046 is a wasteful number, since it uses less digits than its factorization.

100115046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561955 (or 5561952 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 100115046 is about 10005.7506465032. The cubic root of 100115046 is about 464.3368138877.

Adding to 100115046 its reverse (640511001), we get a palindrome (740626047).

The spelling of 100115046 in words is "one hundred million, one hundred fifteen thousand, forty-six".

Divisors: 1 2 3 6 9 18 5561947 11123894 16685841 33371682 50057523 100115046