Search a number
-
+
70013752 = 23171094723
BaseRepresentation
bin1000010110001…
…01001100111000
311212202001210221
410023011030320
5120410420002
610540345424
71510051504
oct413051470
9155661727
1070013752
1136580406
121b545274
1311674b73
149427304
15622ec37
hex42c5338

70013752 has 32 divisors (see below), whose sum is σ = 140302800. Its totient is φ = 32638464.

The previous prime is 70013747. The next prime is 70013753. The reversal of 70013752 is 25731007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70013753) 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, 12463 + ... + 17185.

Almost surely, 270013752 is an apocalyptic number.

It is an amenable number.

70013752 is an abundant number, since it is smaller than the sum of its proper divisors (70289048).

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

70013752 is a wasteful number, since it uses less digits than its factorization.

70013752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4855 (or 4851 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 70013752 is about 8367.4220641725. The cubic root of 70013752 is about 412.1555167448.

Adding to 70013752 its reverse (25731007), we get a palindrome (95744759).

The spelling of 70013752 in words is "seventy million, thirteen thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 17 34 68 109 136 218 436 872 1853 3706 4723 7412 9446 14824 18892 37784 80291 160582 321164 514807 642328 1029614 2059228 4118456 8751719 17503438 35006876 70013752