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100483021 = 232189949
BaseRepresentation
bin1011111110100…
…11111111001101
321000002001210101
411333103333031
5201210424041
613545411101
72330043262
oct577237715
9230061711
10100483021
11517a1421
1229799a91
1317a82612
14d4b9269
158c4cb31
hex5fd3fcd

100483021 has 6 divisors (see below), whose sum is σ = 105042350. Its totient is φ = 96113688.

The previous prime is 100483013. The next prime is 100483051. The reversal of 100483021 is 120384001.

It can be written as a sum of positive squares in only one way, i.e., 67420521 + 33062500 = 8211^2 + 5750^2 .

It is not a de Polignac number, because 100483021 - 23 = 100483013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100483021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100483051) 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, 94446 + ... + 95503.

Almost surely, 2100483021 is an apocalyptic number.

It is an amenable number.

100483021 is a deficient number, since it is larger than the sum of its proper divisors (4559329).

100483021 is an equidigital number, since it uses as much as digits as its factorization.

100483021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189995 (or 189972 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 100483021 is about 10024.1219565606. The cubic root of 100483021 is about 464.9050116222.

The spelling of 100483021 in words is "one hundred million, four hundred eighty-three thousand, twenty-one".

Divisors: 1 23 529 189949 4368827 100483021