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1223034330 = 235710975309
BaseRepresentation
bin100100011100110…
…0000010111011010
310011020100120200210
41020321200113122
510001044044310
6321205511550
742210422520
oct11071402732
93136316623
101223034330
11578409881
122a17125b6
131664caa6b
14b8608310
157258a820
hex48e605da

1223034330 has 64 divisors (see below), whose sum is σ = 3358298880. Its totient is φ = 279243264.

The previous prime is 1223034317. The next prime is 1223034331. The reversal of 1223034330 is 334303221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1223034297 and 1223034306.

It is not an unprimeable number, because it can be changed into a prime (1223034331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227716 + ... + 233024.

It is an arithmetic number, because the mean of its divisors is an integer number (52473420).

Almost surely, 21223034330 is an apocalyptic number.

1223034330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223034330 is an abundant number, since it is smaller than the sum of its proper divisors (2135264550).

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

1223034330 is a wasteful number, since it uses less digits than its factorization.

1223034330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6423.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 1223034330 is about 34971.9077260592. The cubic root of 1223034330 is about 1069.4148633490.

Adding to 1223034330 its reverse (334303221), we get a palindrome (1557337551).

The spelling of 1223034330 in words is "one billion, two hundred twenty-three million, thirty-four thousand, three hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1097 2194 3291 5309 5485 6582 7679 10618 10970 15358 15927 16455 23037 26545 31854 32910 37163 38395 46074 53090 74326 76790 79635 111489 115185 159270 185815 222978 230370 371630 557445 1114890 5823973 11647946 17471919 29119865 34943838 40767811 58239730 81535622 87359595 122303433 174719190 203839055 244606866 407678110 611517165 1223034330