Search a number
-
+
670536384 = 26372263271
BaseRepresentation
bin100111111101111…
…001001011000000
31201201201202222220
4213331321023000
52333124131014
6150311531040
722421315400
oct4775711300
91651652886
10670536384
11314555a01
12168689a80
13a8bc45bb
14650a8800
153dd026a9
hex27f792c0

670536384 has 168 divisors, whose sum is σ = 2079272448. Its totient is φ = 190149120.

The previous prime is 670536371. The next prime is 670536397. The reversal of 670536384 is 483635076.

It is an interprime number because it is at equal distance from previous prime (670536371) and next prime (670536397).

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2474169 + ... + 2474439.

Almost surely, 2670536384 is an apocalyptic number.

670536384 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670536384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1039636224).

670536384 is an abundant number, since it is smaller than the sum of its proper divisors (1408736064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670536384 is a wasteful number, since it uses less digits than its factorization.

670536384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 670536384 is about 25894.7172990940. The cubic root of 670536384 is about 875.2674595711.

It can be divided in two parts, 67053 and 6384, that added together give a palindrome (73437).

The spelling of 670536384 in words is "six hundred seventy million, five hundred thirty-six thousand, three hundred eighty-four".