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1242024342 = 231315923389
BaseRepresentation
bin100101000000111…
…1100100110010110
310012120002101002120
41022001330212112
510020424234332
6323124520410
742531014136
oct11201744626
93176071076
101242024342
115880aa2a9
122a7b50106
1316a419560
14bad4cac6
157408c32c
hex4a07c996

1242024342 has 16 divisors (see below), whose sum is σ = 2675129520. Its totient is φ = 382161312.

The previous prime is 1242024317. The next prime is 1242024347. The reversal of 1242024342 is 2434202421.

It is a super-2 number, since 2×12420243422 = 3085248932241065928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242024347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7961617 + ... + 7961772.

It is an arithmetic number, because the mean of its divisors is an integer number (167195595).

Almost surely, 21242024342 is an apocalyptic number.

1242024342 is an abundant number, since it is smaller than the sum of its proper divisors (1433105178).

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

1242024342 is a wasteful number, since it uses less digits than its factorization.

1242024342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15923407.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1242024342 is about 35242.3657264946. The cubic root of 1242024342 is about 1074.9213836865.

Adding to 1242024342 its reverse (2434202421), we get a palindrome (3676226763).

The spelling of 1242024342 in words is "one billion, two hundred forty-two million, twenty-four thousand, three hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 15923389 31846778 47770167 95540334 207004057 414008114 621012171 1242024342