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2077804542 = 231131481887
BaseRepresentation
bin111101111011000…
…1100011111111110
312100210202101222210
41323312030133332
513223404221132
6542102321250
7102330022122
oct17366143776
95323671883
102077804542
11976959340
1249ba29226
13271619358
14159d4d582
15c2630bcc
hex7bd8c7fe

2077804542 has 16 divisors (see below), whose sum is σ = 4533391872. Its totient is φ = 629637720.

The previous prime is 2077804537. The next prime is 2077804559. The reversal of 2077804542 is 2454087702.

It is a super-3 number, since 3×20778045423 (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2077804542.

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, 15740878 + ... + 15741009.

It is an arithmetic number, because the mean of its divisors is an integer number (283336992).

Almost surely, 22077804542 is an apocalyptic number.

2077804542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2077804542 is an abundant number, since it is smaller than the sum of its proper divisors (2455587330).

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

2077804542 is a wasteful number, since it uses less digits than its factorization.

2077804542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31481903.

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 2077804542 is about 45582.9413487107. The cubic root of 2077804542 is about 1276.0515824281.

The spelling of 2077804542 in words is "two billion, seventy-seven million, eight hundred four thousand, five hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 31481887 62963774 94445661 188891322 346300757 692601514 1038902271 2077804542