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388073346 = 23479135029
BaseRepresentation
bin10111001000011…
…000011110000010
31000001020011112220
4113020120132002
51243321321341
6102301431510
712421366113
oct2710303602
91001204486
10388073346
1118a06a281
12a9b6b596
1362526acb
143977c20a
1524109a66
hex17218782

388073346 has 16 divisors (see below), whose sum is σ = 777772800. Its totient is φ = 129086768.

The previous prime is 388073321. The next prime is 388073351. The reversal of 388073346 is 643370883.

It is a junction number, because it is equal to n+sod(n) for n = 388073298 and 388073307.

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, 64641 + ... + 70388.

It is an arithmetic number, because the mean of its divisors is an integer number (48610800).

Almost surely, 2388073346 is an apocalyptic number.

388073346 is an abundant number, since it is smaller than the sum of its proper divisors (389699454).

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

388073346 is a wasteful number, since it uses less digits than its factorization.

388073346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135513.

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 388073346 is about 19699.5773051099. The cubic root of 388073346 is about 729.4092587417.

The spelling of 388073346 in words is "three hundred eighty-eight million, seventy-three thousand, three hundred forty-six".

Divisors: 1 2 3 6 479 958 1437 2874 135029 270058 405087 810174 64678891 129357782 194036673 388073346