Search a number
-
+
61514430 = 2352050481
BaseRepresentation
bin1110101010101…
…0001010111110
311021202020221020
43222222022332
5111221430210
610034245010
71344602235
oct352521276
9137666836
1061514430
11317a577a
1218726766
13c98a393
148253b1c
155601770
hex3aaa2be

61514430 has 16 divisors (see below), whose sum is σ = 147634704. Its totient is φ = 16403840.

The previous prime is 61514429. The next prime is 61514437. The reversal of 61514430 is 3441516.

It is a self number, because there is not a number n which added to its sum of digits gives 61514430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61514437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1025211 + ... + 1025270.

It is an arithmetic number, because the mean of its divisors is an integer number (9227169).

Almost surely, 261514430 is an apocalyptic number.

61514430 is an abundant number, since it is smaller than the sum of its proper divisors (86120274).

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

61514430 is a wasteful number, since it uses less digits than its factorization.

61514430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050491.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 61514430 is about 7843.1135399151. The cubic root of 61514430 is about 394.7532080139.

Adding to 61514430 its reverse (3441516), we get a palindrome (64955946).

The spelling of 61514430 in words is "sixty-one million, five hundred fourteen thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2050481 4100962 6151443 10252405 12302886 20504810 30757215 61514430