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230120374 = 21178713291
BaseRepresentation
bin11011011011101…
…01101110110110
3121001000022210211
431231311232312
5432402322444
634500140034
75462663611
oct1555655666
9531008724
10230120374
11108995930
126509761a
13388a2003
14227c3178
1515308c34
hexdb75bb6

230120374 has 16 divisors (see below), whose sum is σ = 377067456. Its totient is φ = 104459400.

The previous prime is 230120369. The next prime is 230120383. The reversal of 230120374 is 473021032.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10669 + ... + 23959.

It is an arithmetic number, because the mean of its divisors is an integer number (23566716).

Almost surely, 2230120374 is an apocalyptic number.

230120374 is a deficient number, since it is larger than the sum of its proper divisors (146947082).

230120374 is a wasteful number, since it uses less digits than its factorization.

230120374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14091.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 230120374 is about 15169.7189822356. The cubic root of 230120374 is about 612.7994362075.

The spelling of 230120374 in words is "two hundred thirty million, one hundred twenty thousand, three hundred seventy-four".

Divisors: 1 2 11 22 787 1574 8657 13291 17314 26582 146201 292402 10460017 20920034 115060187 230120374