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1044330420 = 223572486501
BaseRepresentation
bin111110001111110…
…011011110110100
32200210002111000110
4332033303132310
54114322033140
6251343343020
734610443050
oct7617633664
92623074013
101044330420
114965519a1
122518b1a70
1313848bac3
149c9aac60
1561a3b380
hex3e3f37b4

1044330420 has 48 divisors (see below), whose sum is σ = 3341858688. Its totient is φ = 238704000.

The previous prime is 1044330403. The next prime is 1044330437. The reversal of 1044330420 is 240334401.

It is an interprime number because it is at equal distance from previous prime (1044330403) and next prime (1044330437).

It is a super-2 number, since 2×10443304202 = 2181252052274752800, which contains 22 as substring.

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

It is a congruent number.

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, 1242831 + ... + 1243670.

It is an arithmetic number, because the mean of its divisors is an integer number (69622056).

Almost surely, 21044330420 is an apocalyptic number.

1044330420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044330420 is an abundant number, since it is smaller than the sum of its proper divisors (2297528268).

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

1044330420 is a wasteful number, since it uses less digits than its factorization.

1044330420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486520 (or 2486518 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1044330420 is about 32316.1015594394. The cubic root of 1044330420 is about 1014.5636763429.

Adding to 1044330420 its reverse (240334401), we get a palindrome (1284664821).

The spelling of 1044330420 in words is "one billion, forty-four million, three hundred thirty thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 2486501 4973002 7459503 9946004 12432505 14919006 17405507 24865010 29838012 34811014 37297515 49730020 52216521 69622028 74595030 87027535 104433042 149190060 174055070 208866084 261082605 348110140 522165210 1044330420