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2054776242 = 231943419171
BaseRepresentation
bin111101001111001…
…0110010110110010
312022012102110002210
41322132112112302
513202010314432
6535520552550
7101630211201
oct17236262662
95265373083
102054776242
1196495a892
12494182756
1326991573c
14156c77238
15c05d28cc
hex7a7965b2

2054776242 has 32 divisors (see below), whose sum is σ = 4426456320. Its totient is φ = 633785040.

The previous prime is 2054776181. The next prime is 2054776249. The reversal of 2054776242 is 2426774502.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2054776242.

It is not an unprimeable number, because it can be changed into a prime (2054776249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204684 + ... + 214487.

It is an arithmetic number, because the mean of its divisors is an integer number (138326760).

Almost surely, 22054776242 is an apocalyptic number.

2054776242 is an abundant number, since it is smaller than the sum of its proper divisors (2371680078).

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

2054776242 is a wasteful number, since it uses less digits than its factorization.

2054776242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419238.

The product of its (nonzero) digits is 188160, while the sum is 39.

The square root of 2054776242 is about 45329.6397735521. The cubic root of 2054776242 is about 1271.3199004191.

The spelling of 2054776242 in words is "two billion, fifty-four million, seven hundred seventy-six thousand, two hundred forty-two".

Divisors: 1 2 3 6 19 38 43 57 86 114 129 258 817 1634 2451 4902 419171 838342 1257513 2515026 7964249 15928498 18024353 23892747 36048706 47785494 54073059 108146118 342462707 684925414 1027388121 2054776242