Search a number
-
+
61458492 = 22331165211
BaseRepresentation
bin1110101001110…
…0100000111100
311021122102012110
43222130200330
5111213132432
610033134020
71344250164
oct352344074
9137572173
1061458492
1131767747
12186ba310
13c96aa94
14823b5a4
1555dedcc
hex3a9c83c

61458492 has 24 divisors (see below), whose sum is σ = 148029952. Its totient is φ = 19825200.

The previous prime is 61458491. The next prime is 61458493. The reversal of 61458492 is 29485416.

61458492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61458491) and next prime (61458493).

It is a self number, because there is not a number n which added to its sum of digits gives 61458492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61458491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82234 + ... + 82977.

Almost surely, 261458492 is an apocalyptic number.

61458492 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

61458492 is an abundant number, since it is smaller than the sum of its proper divisors (86571460).

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

61458492 is a wasteful number, since it uses less digits than its factorization.

61458492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165249 (or 165247 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 61458492 is about 7839.5466705671. The cubic root of 61458492 is about 394.6335157636.

The spelling of 61458492 in words is "sixty-one million, four hundred fifty-eight thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 165211 330422 495633 660844 991266 1982532 5121541 10243082 15364623 20486164 30729246 61458492