Search a number
-
+
20057514 = 239673457
BaseRepresentation
bin100110010000…
…0110110101010
31101202000201220
41030200312222
520113320024
61553522510
7332325501
oct114406652
941660656
1020057514
111035a564
126873436
134203669
142941838
151b62e79
hex1320daa

20057514 has 16 divisors (see below), whose sum is σ = 40168128. Its totient is φ = 6676992.

The previous prime is 20057509. The next prime is 20057519. The reversal of 20057514 is 41575002.

It is an interprime number because it is at equal distance from previous prime (20057509) and next prime (20057519).

It is not an unprimeable number, because it can be changed into a prime (20057519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4074 + ... + 7530.

It is an arithmetic number, because the mean of its divisors is an integer number (2510508).

Almost surely, 220057514 is an apocalyptic number.

20057514 is an abundant number, since it is smaller than the sum of its proper divisors (20110614).

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

20057514 is a wasteful number, since it uses less digits than its factorization.

20057514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4429.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 20057514 is about 4478.5615994424. The cubic root of 20057514 is about 271.7017076676.

The spelling of 20057514 in words is "twenty million, fifty-seven thousand, five hundred fourteen".

Divisors: 1 2 3 6 967 1934 2901 3457 5802 6914 10371 20742 3342919 6685838 10028757 20057514