Search a number
-
+
61019464 = 2311693403
BaseRepresentation
bin1110100011000…
…1010101001000
311020211002222011
43220301111020
5111110110324
610015505304
71340441212
oct350612510
9136732864
1061019464
1131497910
1218528234
13c845cbc
1481655b2
155554c94
hex3a31548

61019464 has 16 divisors (see below), whose sum is σ = 124812720. Its totient is φ = 27736080.

The previous prime is 61019461. The next prime is 61019473. The reversal of 61019464 is 46491016.

It is not an unprimeable number, because it can be changed into a prime (61019461) 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 3 ways as a sum of consecutive naturals, for example, 346614 + ... + 346789.

It is an arithmetic number, because the mean of its divisors is an integer number (7800795).

Almost surely, 261019464 is an apocalyptic number.

It is an amenable number.

61019464 is an abundant number, since it is smaller than the sum of its proper divisors (63793256).

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

61019464 is a wasteful number, since it uses less digits than its factorization.

61019464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693420 (or 693416 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 61019464 is about 7811.4956314396. The cubic root of 61019464 is about 393.6915827000.

The spelling of 61019464 in words is "sixty-one million, nineteen thousand, four hundred sixty-four".

Divisors: 1 2 4 8 11 22 44 88 693403 1386806 2773612 5547224 7627433 15254866 30509732 61019464