Search a number
-
+
4001270 = 257134397
BaseRepresentation
bin1111010000110111110110
321112021201012
433100313312
52011020040
6221432222
746003340
oct17206766
97467635
104001270
112293239
12140b672
13aa1320
14762290
15540865
hex3d0df6

4001270 has 32 divisors (see below), whose sum is σ = 8866368. Its totient is φ = 1266048.

The previous prime is 4001269. The next prime is 4001303. The reversal of 4001270 is 721004.

It is a happy number.

It is a super-2 number, since 2×40012702 = 32020323225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1289 + ... + 3108.

It is an arithmetic number, because the mean of its divisors is an integer number (277074).

Almost surely, 24001270 is an apocalyptic number.

4001270 is an abundant number, since it is smaller than the sum of its proper divisors (4865098).

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

4001270 is a wasteful number, since it uses less digits than its factorization.

4001270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4424.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 4001270 is about 2000.3174748024. The cubic root of 4001270 is about 158.7569034136.

Adding to 4001270 its reverse (721004), we get a palindrome (4722274).

The spelling of 4001270 in words is "four million, one thousand, two hundred seventy".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 4397 8794 21985 30779 43970 57161 61558 114322 153895 285805 307790 400127 571610 800254 2000635 4001270