[go: up one dir, main page]

Search a number
-
+
420053230 = 25371135279
BaseRepresentation
bin11001000010011…
…000000011101110
31002021101220201001
4121002120003232
51330013200410
6105403110514
713260251662
oct3102300356
91067356631
10420053230
111a6122233
12b881243a
136904300c
143db048a2
1526d2533a
hex190980ee

420053230 has 16 divisors (see below), whose sum is σ = 776531520. Its totient is φ = 163480032.

The previous prime is 420053219. The next prime is 420053251. The reversal of 420053230 is 32350024.

420053230 = 3532 + 3542 + ... + 10922.

It is a junction number, because it is equal to n+sod(n) for n = 420053198 and 420053207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567270 + ... + 568009.

It is an arithmetic number, because the mean of its divisors is an integer number (48533220).

Almost surely, 2420053230 is an apocalyptic number.

420053230 is a deficient number, since it is larger than the sum of its proper divisors (356478290).

420053230 is a wasteful number, since it uses less digits than its factorization.

420053230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135323.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 420053230 is about 20495.2001697959. The cubic root of 420053230 is about 748.9188748994.

The spelling of 420053230 in words is "four hundred twenty million, fifty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 37 74 185 370 1135279 2270558 5676395 11352790 42005323 84010646 210026615 420053230