Search a number
-
+
61712052 = 22341432917
BaseRepresentation
bin1110101101101…
…0011010110100
311022010022000120
43223122122310
5111244241202
610042411540
71346354343
oct353323264
9138108016
1061712052
11319201a6
1218800bb0
13ca2930c
1482a5b5a
1556400bc
hex3ada6b4

61712052 has 48 divisors (see below), whose sum is σ = 150988992. Its totient is φ = 19595520.

The previous prime is 61712047. The next prime is 61712071. The reversal of 61712052 is 25021716.

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, 19698 + ... + 22614.

It is an arithmetic number, because the mean of its divisors is an integer number (3145604).

Almost surely, 261712052 is an apocalyptic number.

It is an amenable number.

61712052 is an abundant number, since it is smaller than the sum of its proper divisors (89276940).

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

61712052 is a wasteful number, since it uses less digits than its factorization.

61712052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008 (or 3006 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 61712052 is about 7855.7018782538. The cubic root of 61712052 is about 395.1754857709.

Adding to 61712052 its reverse (25021716), we get a palindrome (86733768).

The spelling of 61712052 in words is "sixty-one million, seven hundred twelve thousand, fifty-two".

Divisors: 1 2 3 4 6 12 41 43 82 86 123 129 164 172 246 258 492 516 1763 2917 3526 5289 5834 7052 8751 10578 11668 17502 21156 35004 119597 125431 239194 250862 358791 376293 478388 501724 717582 752586 1435164 1505172 5142671 10285342 15428013 20570684 30856026 61712052