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1005412542 = 23295778233
BaseRepresentation
bin111011111011010…
…110000010111110
32121001212020201120
4323323112002332
54024341200132
6243433251410
733625602621
oct7373260276
92531766646
101005412542
11476590362
12240863b66
131303b3984
1497759db8
155d40002c
hex3bed60be

1005412542 has 16 divisors (see below), whose sum is σ = 2080164240. Its totient is φ = 323580992.

The previous prime is 1005412523. The next prime is 1005412543. The reversal of 1005412542 is 2452145001.

It is a super-2 number, since 2×10054125422 = 2021708759221803528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005412543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2888943 + ... + 2889290.

It is an arithmetic number, because the mean of its divisors is an integer number (130010265).

Almost surely, 21005412542 is an apocalyptic number.

1005412542 is an abundant number, since it is smaller than the sum of its proper divisors (1074751698).

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

1005412542 is a wasteful number, since it uses less digits than its factorization.

1005412542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5778267.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1005412542 is about 31708.2409162035. The cubic root of 1005412542 is about 1001.8009353515.

Adding to 1005412542 its reverse (2452145001), we get a palindrome (3457557543).

The spelling of 1005412542 in words is "one billion, five million, four hundred twelve thousand, five hundred forty-two".

Divisors: 1 2 3 6 29 58 87 174 5778233 11556466 17334699 34669398 167568757 335137514 502706271 1005412542