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1120242740 = 225291931453
BaseRepresentation
bin100001011000101…
…1000110000110100
32220001221020010212
41002301120300310
54243240231430
6303054404552
736521622551
oct10261306064
92801836125
101120242740
11525390a51
12273200758
1314b11a736
14a8acba28
1568533b95
hex42c58c34

1120242740 has 24 divisors (see below), whose sum is σ = 2433632040. Its totient is φ = 432645248.

The previous prime is 1120242731. The next prime is 1120242817. The reversal of 1120242740 is 472420211.

It can be written as a sum of positive squares in 4 ways, for example, as 1607824 + 1118634916 = 1268^2 + 33446^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965147 + ... + 966306.

It is an arithmetic number, because the mean of its divisors is an integer number (101401335).

Almost surely, 21120242740 is an apocalyptic number.

1120242740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120242740 is an abundant number, since it is smaller than the sum of its proper divisors (1313389300).

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

1120242740 is a wasteful number, since it uses less digits than its factorization.

1120242740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931491 (or 1931489 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 1120242740 is about 33470.0274872908. The cubic root of 1120242740 is about 1038.5738403090.

Adding to 1120242740 its reverse (472420211), we get a palindrome (1592662951).

The spelling of 1120242740 in words is "one billion, one hundred twenty million, two hundred forty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 1931453 3862906 7725812 9657265 19314530 38629060 56012137 112024274 224048548 280060685 560121370 1120242740