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420715367 = 1972135611
BaseRepresentation
bin11001000100111…
…001101101100111
31002022122112222122
4121010321231213
51330200342432
6105425220155
713266010262
oct3104715547
91068575878
10420715367
111a6534756
12b8a9165b
1369215507
143dc37cd9
1526e06612
hex19139b67

420715367 has 4 divisors (see below), whose sum is σ = 422851176. Its totient is φ = 418579560.

The previous prime is 420715363. The next prime is 420715403. The reversal of 420715367 is 763517024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420715367 - 22 = 420715363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420715363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067609 + ... + 1068002.

It is an arithmetic number, because the mean of its divisors is an integer number (105712794).

Almost surely, 2420715367 is an apocalyptic number.

420715367 is a deficient number, since it is larger than the sum of its proper divisors (2135809).

420715367 is a wasteful number, since it uses less digits than its factorization.

420715367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135808.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 420715367 is about 20511.3472741310. The cubic root of 420715367 is about 749.3121794708.

The spelling of 420715367 in words is "four hundred twenty million, seven hundred fifteen thousand, three hundred sixty-seven".

Divisors: 1 197 2135611 420715367