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100885401 = 3211209489
BaseRepresentation
bin1100000001101…
…10001110011001
321000211111202100
412000312032121
5201311313101
614002154013
72333340351
oct600661631
9230744670
10100885401
1151a46771
1229952909
1317b93806
14d581b61
158ccbe86
hex6036399

100885401 has 6 divisors (see below), whose sum is σ = 145723370. Its totient is φ = 67256928.

The previous prime is 100885387. The next prime is 100885417. The reversal of 100885401 is 104588001.

It can be written as a sum of positive squares in only one way, i.e., 53275401 + 47610000 = 7299^2 + 6900^2 .

It is not a de Polignac number, because 100885401 - 213 = 100877209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100885471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5604736 + ... + 5604753.

Almost surely, 2100885401 is an apocalyptic number.

It is an amenable number.

100885401 is a deficient number, since it is larger than the sum of its proper divisors (44837969).

100885401 is a wasteful number, since it uses less digits than its factorization.

100885401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11209495 (or 11209492 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 100885401 is about 10044.1724895583. The cubic root of 100885401 is about 465.5247492594.

The spelling of 100885401 in words is "one hundred million, eight hundred eighty-five thousand, four hundred one".

Divisors: 1 3 9 11209489 33628467 100885401