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388240896 = 293252761
BaseRepresentation
bin10111001001000…
…001011000000000
31000001112200101110
4113021001120000
51243342202041
6102305203320
712422664441
oct2711013000
91001480343
10388240896
1118a17414a
12aa030540
1362585154
14397c32c8
152413e516
hex17241600

388240896 has 40 divisors (see below), whose sum is σ = 1034302104. Its totient is φ = 129413120.

The previous prime is 388240861. The next prime is 388240961. The reversal of 388240896 is 698042883.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124845 + ... + 127916.

Almost surely, 2388240896 is an apocalyptic number.

It is an amenable number.

388240896 is an abundant number, since it is smaller than the sum of its proper divisors (646061208).

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

388240896 is an equidigital number, since it uses as much as digits as its factorization.

388240896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252782 (or 252766 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 388240896 is about 19703.8294755106. The cubic root of 388240896 is about 729.5142173691.

The spelling of 388240896 in words is "three hundred eighty-eight million, two hundred forty thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1536 252761 505522 758283 1011044 1516566 2022088 3033132 4044176 6066264 8088352 12132528 16176704 24265056 32353408 48530112 64706816 97060224 129413632 194120448 388240896