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1444146330 = 235116171741
BaseRepresentation
bin101011000010011…
…1110110010011010
310201122102020100010
41112010332302122
510424200140310
6355145022350
750534020104
oct12604766232
93648366303
101444146330
11681201570
123437849b6
131a0267673
14d9b24574
1586bb5320
hex5613ec9a

1444146330 has 64 divisors (see below), whose sum is σ = 3843075456. Its totient is φ = 344352000.

The previous prime is 1444146323. The next prime is 1444146331. The reversal of 1444146330 is 336414441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1444146331) 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, 15741 + ... + 56000.

It is an arithmetic number, because the mean of its divisors is an integer number (60048054).

Almost surely, 21444146330 is an apocalyptic number.

1444146330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1444146330 is an abundant number, since it is smaller than the sum of its proper divisors (2398929126).

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

1444146330 is a wasteful number, since it uses less digits than its factorization.

1444146330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71823.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 1444146330 is about 38001.9253459611. The cubic root of 1444146330 is about 1130.3260421324.

The spelling of 1444146330 in words is "one billion, four hundred forty-four million, one hundred forty-six thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 61 66 110 122 165 183 305 330 366 610 671 915 1342 1830 2013 3355 4026 6710 10065 20130 71741 143482 215223 358705 430446 717410 789151 1076115 1578302 2152230 2367453 3945755 4376201 4734906 7891510 8752402 11837265 13128603 21881005 23674530 26257206 43762010 48138211 65643015 96276422 131286030 144414633 240691055 288829266 481382110 722073165 1444146330