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3125257216 = 21017472
BaseRepresentation
bin1011101001000111…
…1010010000000000
322001210201111221021
42322101322100000
522400031212331
61234041035224
7140306151034
oct27221722000
98053644837
103125257216
111364143004
12732785b14
133aa62c333
142190d01c4
15134587211
hexba47a400

3125257216 has 33 divisors (see below), whose sum is σ = 6251040579. Its totient is φ = 1561734144.

The previous prime is 3125257171. The next prime is 3125257249. The reversal of 3125257216 is 6127525213.

The square root of 3125257216 is 55904.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1788055 + ... + 1789801.

Almost surely, 23125257216 is an apocalyptic number.

3125257216 is the 55904-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3125257216

3125257216 is an abundant number, since it is smaller than the sum of its proper divisors (3125783363).

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

3125257216 is an frugal number, since it uses more digits than its factorization.

3125257216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514 (or 1749 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The cubic root of 3125257216 is about 1462.0489802271.

The spelling of 3125257216 in words is "three billion, one hundred twenty-five million, two hundred fifty-seven thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 1747 3494 6988 13976 27952 55904 111808 223616 447232 894464 1788928 3052009 6104018 12208036 24416072 48832144 97664288 195328576 390657152 781314304 1562628608 3125257216