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1044534540 = 223572486987
BaseRepresentation
bin111110010000100…
…101010100001100
32200210110212000110
4332100211110030
54114400101130
6251352000020
734612253130
oct7620452414
92623425013
101044534540
11496681295
12251990010
1313853099a
149ca213c0
1561a7bab0
hex3e42550c

1044534540 has 48 divisors (see below), whose sum is σ = 3342511872. Its totient is φ = 238750656.

The previous prime is 1044534479. The next prime is 1044534559. The reversal of 1044534540 is 454354401.

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

It is a junction number, because it is equal to n+sod(n) for n = 1044534498 and 1044534507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1243074 + ... + 1243913.

It is an arithmetic number, because the mean of its divisors is an integer number (69635664).

Almost surely, 21044534540 is an apocalyptic number.

1044534540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044534540 is an abundant number, since it is smaller than the sum of its proper divisors (2297977332).

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

1044534540 is a wasteful number, since it uses less digits than its factorization.

1044534540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487006 (or 2487004 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1044534540 is about 32319.2595831031. The cubic root of 1044534540 is about 1014.6297726800.

Adding to 1044534540 its reverse (454354401), we get a palindrome (1498888941).

The spelling of 1044534540 in words is "one billion, forty-four million, five hundred thirty-four thousand, five hundred forty".

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 2486987 4973974 7460961 9947948 12434935 14921922 17408909 24869870 29843844 34817818 37304805 49739740 52226727 69635636 74609610 87044545 104453454 149219220 174089090 208906908 261133635 348178180 522267270 1044534540