Search a number
-
+
20155314 = 2319237687
BaseRepresentation
bin100110011100…
…0101110110010
31101220222220010
41030320232302
520124432224
61555555350
7333213564
oct114705662
941828803
1020155314
1110416a93
1268bbb56
13423902a
142969334
151b81e29
hex1338bb2

20155314 has 32 divisors (see below), whose sum is σ = 44282880. Its totient is φ = 6087312.

The previous prime is 20155307. The next prime is 20155321. The reversal of 20155314 is 41355102.

It is an interprime number because it is at equal distance from previous prime (20155307) and next prime (20155321).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1222 + ... + 6465.

It is an arithmetic number, because the mean of its divisors is an integer number (1383840).

Almost surely, 220155314 is an apocalyptic number.

20155314 is an abundant number, since it is smaller than the sum of its proper divisors (24127566).

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

20155314 is a wasteful number, since it uses less digits than its factorization.

20155314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7734.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 20155314 is about 4489.4670062269. The cubic root of 20155314 is about 272.1425957186.

The spelling of 20155314 in words is "twenty million, one hundred fifty-five thousand, three hundred fourteen".

Divisors: 1 2 3 6 19 23 38 46 57 69 114 138 437 874 1311 2622 7687 15374 23061 46122 146053 176801 292106 353602 438159 530403 876318 1060806 3359219 6718438 10077657 20155314