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386608998 = 231931109397
BaseRepresentation
bin10111000010110…
…010111101100110
3222221110202211210
4113002302331212
51242432441443
6102210212250
712403056636
oct2702627546
9887422753
10386608998
1118925a076
12a9584086
1362133429
14394ba6c6
1523e1ac33
hex170b2f66

386608998 has 32 divisors (see below), whose sum is σ = 840176640. Its totient is φ = 118147680.

The previous prime is 386608991. The next prime is 386609039. The reversal of 386608998 is 899806683.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386608991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51165 + ... + 58232.

It is an arithmetic number, because the mean of its divisors is an integer number (26255520).

Almost surely, 2386608998 is an apocalyptic number.

386608998 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

386608998 is an abundant number, since it is smaller than the sum of its proper divisors (453567642).

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

386608998 is a wasteful number, since it uses less digits than its factorization.

386608998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109452.

The product of its (nonzero) digits is 4478976, while the sum is 57.

The square root of 386608998 is about 19662.3751871436. The cubic root of 386608998 is about 728.4906563831.

The spelling of 386608998 in words is "three hundred eighty-six million, six hundred eight thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 19 31 38 57 62 93 114 186 589 1178 1767 3534 109397 218794 328191 656382 2078543 3391307 4157086 6235629 6782614 10173921 12471258 20347842 64434833 128869666 193304499 386608998