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100430032 = 246276877
BaseRepresentation
bin1011111110001…
…11000011010000
320222222101002211
411333013003100
5201202230112
613544321504
72326432633
oct577070320
9228871084
10100430032
115176562a
1229773294
1317a64471
14d4a3c1a
158c3c0a7
hex5fc70d0

100430032 has 10 divisors (see below), whose sum is σ = 194583218. Its totient is φ = 50215008.

The previous prime is 100429981. The next prime is 100430039. The reversal of 100430032 is 230034001.

It can be written as a sum of positive squares in only one way, i.e., 83978896 + 16451136 = 9164^2 + 4056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100429994 and 100430021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100430039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3138423 + ... + 3138454.

Almost surely, 2100430032 is an apocalyptic number.

It is an amenable number.

100430032 is a deficient number, since it is larger than the sum of its proper divisors (94153186).

100430032 is an equidigital number, since it uses as much as digits as its factorization.

100430032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6276885 (or 6276879 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 100430032 is about 10021.4785336297. The cubic root of 100430032 is about 464.8232758125.

Adding to 100430032 its reverse (230034001), we get a palindrome (330464033).

The spelling of 100430032 in words is "one hundred million, four hundred thirty thousand, thirty-two".

Divisors: 1 2 4 8 16 6276877 12553754 25107508 50215016 100430032