Search a number
-
+
1244143204 = 223747178859
BaseRepresentation
bin100101000101000…
…0001111001100100
310012201002000121221
41022022001321210
510022000040304
6323242150124
742555020443
oct11212017144
93181060557
101244143204
11589317227
122a87b2344
1316a9abb15
14bb340d5a
157435a054
hex4a281e64

1244143204 has 24 divisors (see below), whose sum is σ = 2283684480. Its totient is φ = 592377696.

The previous prime is 1244143171. The next prime is 1244143211. The reversal of 1244143204 is 4023414421.

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, 82474 + ... + 96385.

It is an arithmetic number, because the mean of its divisors is an integer number (95153520).

Almost surely, 21244143204 is an apocalyptic number.

It is an amenable number.

1244143204 is a deficient number, since it is larger than the sum of its proper divisors (1039541276).

1244143204 is a wasteful number, since it uses less digits than its factorization.

1244143204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178947 (or 178945 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1244143204 is about 35272.4142071393. The cubic root of 1244143204 is about 1075.5322992809.

Adding to 1244143204 its reverse (4023414421), we get a palindrome (5267557625).

The spelling of 1244143204 in words is "one billion, two hundred forty-four million, one hundred forty-three thousand, two hundred four".

Divisors: 1 2 4 37 47 74 94 148 188 1739 3478 6956 178859 357718 715436 6617783 8406373 13235566 16812746 26471132 33625492 311035801 622071602 1244143204