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2054451464 = 231397203653
BaseRepresentation
bin111101001110100…
…0111000100001000
312022011210221120222
41322131013010020
513201414421324
6535510005212
7101624356262
oct17235070410
95264727528
102054451464
1196475887a
12494046808
13269830970
14156bd0b32
15c056b55e
hex7a747108

2054451464 has 32 divisors (see below), whose sum is σ = 4191199320. Its totient is φ = 938428416.

The previous prime is 2054451433. The next prime is 2054451533. The reversal of 2054451464 is 4641544502.

It can be written as a sum of positive squares in 4 ways, for example, as 1801323364 + 253128100 = 42442^2 + 15910^2 .

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, 91739 + ... + 111914.

Almost surely, 22054451464 is an apocalyptic number.

It is an amenable number.

2054451464 is an abundant number, since it is smaller than the sum of its proper divisors (2136747856).

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

2054451464 is a wasteful number, since it uses less digits than its factorization.

2054451464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203769 (or 203765 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The square root of 2054451464 is about 45326.0572298099. The cubic root of 2054451464 is about 1271.2529152681.

Adding to 2054451464 its reverse (4641544502), we get a palindrome (6695995966).

The spelling of 2054451464 in words is "two billion, fifty-four million, four hundred fifty-one thousand, four hundred sixty-four".

Divisors: 1 2 4 8 13 26 52 97 104 194 388 776 1261 2522 5044 10088 203653 407306 814612 1629224 2647489 5294978 10589956 19754341 21179912 39508682 79017364 158034728 256806433 513612866 1027225732 2054451464