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3988154072 = 23771217037
BaseRepresentation
bin1110110110110110…
…0110011011011000
3101021221102012220002
43231231212123120
531131431412242
61455423552132
7200554515230
oct35555463330
911257365802
103988154072
111767233201
1293375b648
134b73348a6
1429b94ccc0
151851d5432
hexedb666d8

3988154072 has 16 divisors (see below), whose sum is σ = 8546044560. Its totient is φ = 1709208864.

The previous prime is 3988154059. The next prime is 3988154081. The reversal of 3988154072 is 2704518893.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 35608463 + ... + 35608574.

It is an arithmetic number, because the mean of its divisors is an integer number (534127785).

Almost surely, 23988154072 is an apocalyptic number.

It is an amenable number.

3988154072 is an abundant number, since it is smaller than the sum of its proper divisors (4557890488).

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

3988154072 is a wasteful number, since it uses less digits than its factorization.

3988154072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71217050 (or 71217046 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 3988154072 is about 63151.8334809054. The cubic root of 3988154072 is about 1585.8324826370.

The spelling of 3988154072 in words is "three billion, nine hundred eighty-eight million, one hundred fifty-four thousand, seventy-two".

Divisors: 1 2 4 7 8 14 28 56 71217037 142434074 284868148 498519259 569736296 997038518 1994077036 3988154072