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4052997728 = 251345721319
BaseRepresentation
bin1111000110010011…
…1101011001100000
3101110110102121122222
43301210331121200
531300031411403
61510101450212
7202302624623
oct36144753140
911413377588
104052997728
11179a8a21aa
12951410968
134c78b9410
142a63cbdba
1518ac43338
hexf193d660

4052997728 has 48 divisors (see below), whose sum is σ = 8612341920. Its totient is φ = 1866433536.

The previous prime is 4052997709. The next prime is 4052997833. The reversal of 4052997728 is 8277992504.

4052997728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 4052997728.

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, 179453 + ... + 200771.

It is an arithmetic number, because the mean of its divisors is an integer number (179423790).

Almost surely, 24052997728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4052997728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4306170960).

4052997728 is an abundant number, since it is smaller than the sum of its proper divisors (4559344192).

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

4052997728 is a wasteful number, since it uses less digits than its factorization.

4052997728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21799 (or 21791 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 4052997728 is about 63663.1583256753. The cubic root of 4052997728 is about 1594.3810359600.

The spelling of 4052997728 in words is "four billion, fifty-two million, nine hundred ninety-seven thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 457 914 1828 3656 5941 7312 11882 14624 21319 23764 42638 47528 85276 95056 170552 190112 277147 341104 554294 682208 1108588 2217176 4434352 8868704 9742783 19485566 38971132 77942264 126656179 155884528 253312358 311769056 506624716 1013249432 2026498864 4052997728