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670202103 = 3354762983
BaseRepresentation
bin100111111100100…
…111100011110111
31201201002210110010
4213330213203313
52333032431403
6150300431303
722415423664
oct4774474367
91651083403
10670202103
1131434783a
12168548533
13a8b083bc
146501ca6b
153dc88603
hex27f278f7

670202103 has 8 divisors (see below), whose sum is σ = 893868928. Its totient is φ = 446668344.

The previous prime is 670202089. The next prime is 670202107. The reversal of 670202103 is 301202076.

It is a happy number.

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

It is not a de Polignac number, because 670202103 - 216 = 670136567 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 670202103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670202107) 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, 20851 + ... + 42132.

It is an arithmetic number, because the mean of its divisors is an integer number (111733616).

Almost surely, 2670202103 is an apocalyptic number.

670202103 is a deficient number, since it is larger than the sum of its proper divisors (223666825).

670202103 is a wasteful number, since it uses less digits than its factorization.

670202103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66533.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 670202103 is about 25888.2618767657. The cubic root of 670202103 is about 875.1219870198.

Adding to 670202103 its reverse (301202076), we get a palindrome (971404179).

The spelling of 670202103 in words is "six hundred seventy million, two hundred two thousand, one hundred three".

Divisors: 1 3 3547 10641 62983 188949 223400701 670202103