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1242320410 = 25124232041
BaseRepresentation
bin100101000001100…
…0100111000011010
310012120122102020001
41022003010320122
510021013223120
6323135123214
742533356252
oct11203047032
93176572201
101242320410
11588291791
122a807350a
1316a4c1246
14badc8962
15740e9e0a
hex4a0c4e1a

1242320410 has 8 divisors (see below), whose sum is σ = 2236176756. Its totient is φ = 496928160.

The previous prime is 1242320383. The next prime is 1242320411. The reversal of 1242320410 is 140232421.

It can be written as a sum of positive squares in 2 ways, for example, as 1239814521 + 2505889 = 35211^2 + 1583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12423204102 = 3086720002205136200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1242320411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62116011 + ... + 62116030.

Almost surely, 21242320410 is an apocalyptic number.

1242320410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242320410 is a deficient number, since it is larger than the sum of its proper divisors (993856346).

1242320410 is a wasteful number, since it uses less digits than its factorization.

1242320410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124232048.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1242320410 is about 35246.5659320167. The cubic root of 1242320410 is about 1075.0067884915.

Adding to 1242320410 its reverse (140232421), we get a palindrome (1382552831).

The spelling of 1242320410 in words is "one billion, two hundred forty-two million, three hundred twenty thousand, four hundred ten".

Divisors: 1 2 5 10 124232041 248464082 621160205 1242320410