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100530451 = 7101142193
BaseRepresentation
bin1011111110111…
…11100100010011
321000011110212001
411333133210103
5201213433301
613550414431
72330331460
oct577374423
9230143761
10100530451
115182401a
1229801417
1317a9b098
14d4cc667
158c5bc01
hex5fdf913

100530451 has 8 divisors (see below), whose sum is σ = 116030304. Its totient is φ = 85315200.

The previous prime is 100530389. The next prime is 100530457. The reversal of 100530451 is 154035001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100530451 - 27 = 100530323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100530457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70390 + ... + 71803.

It is an arithmetic number, because the mean of its divisors is an integer number (14503788).

Almost surely, 2100530451 is an apocalyptic number.

100530451 is a deficient number, since it is larger than the sum of its proper divisors (15499853).

100530451 is a wasteful number, since it uses less digits than its factorization.

100530451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142301.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 100530451 is about 10026.4874706948. The cubic root of 100530451 is about 464.9781482775.

Adding to 100530451 its reverse (154035001), we get a palindrome (254565452).

The spelling of 100530451 in words is "one hundred million, five hundred thirty thousand, four hundred fifty-one".

Divisors: 1 7 101 707 142193 995351 14361493 100530451