Search a number
-
+
1431360242 = 213236139239
BaseRepresentation
bin101010101010000…
…1101001011110010
310200202100122010022
41111110031023302
510412412011432
6354011003442
750320234634
oct12524151362
93622318108
101431360242
11674a69154
1233b439582
1319a70b930
14d8156a54
15859dbb12
hex5550d2f2

1431360242 has 32 divisors (see below), whose sum is σ = 2452343040. Its totient is φ = 621529920.

The previous prime is 1431360233. The next prime is 1431360247. The reversal of 1431360242 is 2420631341.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (1431360247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16859 + ... + 56097.

It is an arithmetic number, because the mean of its divisors is an integer number (76635720).

Almost surely, 21431360242 is an apocalyptic number.

1431360242 is a deficient number, since it is larger than the sum of its proper divisors (1020982798).

1431360242 is a wasteful number, since it uses less digits than its factorization.

1431360242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39338.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1431360242 is about 37833.3218472817. The cubic root of 1431360242 is about 1126.9802796107.

Adding to 1431360242 its reverse (2420631341), we get a palindrome (3851991583).

The spelling of 1431360242 in words is "one billion, four hundred thirty-one million, three hundred sixty thousand, two hundred forty-two".

Divisors: 1 2 13 23 26 46 61 122 299 598 793 1403 1586 2806 18239 36478 39239 78478 510107 902497 1020214 1804994 2393579 4787158 11732461 23464922 31116527 55052317 62233054 110104634 715680121 1431360242