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630743422 = 23125140531
BaseRepresentation
bin100101100110000…
…110000101111110
31121221212002022111
4211212012011332
52242432242142
6142331004234
721426142051
oct4546060576
91557762274
10630743422
112a4046961
1215729967a
13a08a107a
145daaaa98
153a591e17
hex2598617e

630743422 has 16 divisors (see below), whose sum is σ = 980550144. Its totient is φ = 303975000.

The previous prime is 630743381. The next prime is 630743423. The reversal of 630743422 is 224347036.

630743422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630743423) 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, 4704 + ... + 35827.

It is an arithmetic number, because the mean of its divisors is an integer number (61284384).

Almost surely, 2630743422 is an apocalyptic number.

630743422 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

630743422 is a deficient number, since it is larger than the sum of its proper divisors (349806722).

630743422 is a wasteful number, since it uses less digits than its factorization.

630743422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40815.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 630743422 is about 25114.6057504393. The cubic root of 630743422 is about 857.5989553372.

It can be divided in two parts, 6307 and 43422, that added together give a square (49729 = 2232).

The spelling of 630743422 in words is "six hundred thirty million, seven hundred forty-three thousand, four hundred twenty-two".

Divisors: 1 2 31 62 251 502 7781 15562 40531 81062 1256461 2512922 10173281 20346562 315371711 630743422