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123298816 = 2103472
BaseRepresentation
bin1110101100101…
…10010000000000
322121000020011211
413112112100000
5223031030231
620122415504
73025010524
oct726262000
9277006154
10123298816
1163665253
1235361594
131c7105a4
1412537d84
15ac57eb1
hex7596400

123298816 has 33 divisors (see below), whose sum is σ = 247189579. Its totient is φ = 61471744.

The previous prime is 123298793. The next prime is 123298823. The reversal of 123298816 is 618892321.

The square root of 123298816 is 11104.

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, 355155 + ... + 355501.

Almost surely, 2123298816 is an apocalyptic number.

123298816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

123298816 is the 11104-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123298816

123298816 is an abundant number, since it is smaller than the sum of its proper divisors (123890763).

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

123298816 is an frugal number, since it uses more digits than its factorization.

123298816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 349 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The cubic root of 123298816 is about 497.7213862800.

The spelling of 123298816 in words is "one hundred twenty-three million, two hundred ninety-eight thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 32 64 128 256 347 512 694 1024 1388 2776 5552 11104 22208 44416 88832 120409 177664 240818 355328 481636 963272 1926544 3853088 7706176 15412352 30824704 61649408 123298816