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1401434244 = 223371853749
BaseRepresentation
bin101001110001000…
…0011000010000100
310121200001020101000
41103202003002010
510332231343434
6351021333300
746504665060
oct12342030204
93550036330
101401434244
1165a089321
12331407230
13194461542
14d41a6aa0
1583079b99
hex53883084

1401434244 has 48 divisors (see below), whose sum is σ = 4152400000. Its totient is φ = 400409568.

The previous prime is 1401434233. The next prime is 1401434261. The reversal of 1401434244 is 4424341041.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 926119 + ... + 927630.

Almost surely, 21401434244 is an apocalyptic number.

1401434244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1401434244 is an abundant number, since it is smaller than the sum of its proper divisors (2750965756).

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

1401434244 is a wasteful number, since it uses less digits than its factorization.

1401434244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853769 (or 1853761 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 1401434244 is about 37435.7348532121. The cubic root of 1401434244 is about 1119.0708290596.

Adding to 1401434244 its reverse (4424341041), we get a palindrome (5825775285).

The spelling of 1401434244 in words is "one billion, four hundred one million, four hundred thirty-four thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 1853749 3707498 5561247 7414996 11122494 12976243 16683741 22244988 25952486 33367482 38928729 50051223 51904972 66734964 77857458 100102446 116786187 155714916 200204892 233572374 350358561 467144748 700717122 1401434244