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700381 = 1163671
BaseRepresentation
bin10101010111111011101
31022120202001
42222333131
5134403011
623002301
75644633
oct2527735
91276661
10700381
11439230
12299391
131b6a36
14143353
15dc7c1
hexaafdd

700381 has 4 divisors (see below), whose sum is σ = 764064. Its totient is φ = 636700.

The previous prime is 700367. The next prime is 700387. The reversal of 700381 is 183007.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-700381 is a prime.

It is a super-2 number, since 2×7003812 = 981067090322, which contains 22 as substring.

It is a Duffinian number.

700381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (700387) 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, 31825 + ... + 31846.

It is an arithmetic number, because the mean of its divisors is an integer number (191016).

2700381 is an apocalyptic number.

It is an amenable number.

700381 is a deficient number, since it is larger than the sum of its proper divisors (63683).

700381 is a wasteful number, since it uses less digits than its factorization.

700381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63682.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 700381 is about 836.8876866103. The cubic root of 700381 is about 88.8065063679.

Adding to 700381 its reverse (183007), we get a palindrome (883388).

It can be divided in two parts, 700 and 381, that added together give a triangular number (1081 = T46).

The spelling of 700381 in words is "seven hundred thousand, three hundred eighty-one".

Divisors: 1 11 63671 700381