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1242301040 = 24515528763
BaseRepresentation
bin100101000001100…
…0000001001110000
310012120121102122122
41022003000021300
510021012113130
6323134453412
742533245631
oct11203001160
93176542578
101242301040
11588279182
122a8064268
1316a4b5496
14badc1888
15740e42e5
hex4a0c0270

1242301040 has 20 divisors (see below), whose sum is σ = 2888350104. Its totient is φ = 496920384.

The previous prime is 1242300989. The next prime is 1242301097. The reversal of 1242301040 is 401032421.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7764302 + ... + 7764461.

Almost surely, 21242301040 is an apocalyptic number.

1242301040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242301040 is an abundant number, since it is smaller than the sum of its proper divisors (1646049064).

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

1242301040 is a wasteful number, since it uses less digits than its factorization.

1242301040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15528776 (or 15528770 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1242301040 is about 35246.2911524035. The cubic root of 1242301040 is about 1075.0012013688.

Adding to 1242301040 its reverse (401032421), we get a palindrome (1643333461).

The spelling of 1242301040 in words is "one billion, two hundred forty-two million, three hundred one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 15528763 31057526 62115052 77643815 124230104 155287630 248460208 310575260 621150520 1242301040