Search a number
-
+
61949924 = 2243935279
BaseRepresentation
bin1110110001010…
…0011111100100
311022120101022122
43230110133210
5111324344144
610051445112
71351365011
oct354243744
9138511278
1061949924
1131a72993
12188b6798
13cab067a
148328708
15568a7ee
hex3b147e4

61949924 has 12 divisors (see below), whose sum is σ = 108662400. Its totient is φ = 30903528.

The previous prime is 61949911. The next prime is 61949933. The reversal of 61949924 is 42994916.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15884 + ... + 19395.

It is an arithmetic number, because the mean of its divisors is an integer number (9055200).

Almost surely, 261949924 is an apocalyptic number.

It is an amenable number.

61949924 is a deficient number, since it is larger than the sum of its proper divisors (46712476).

61949924 is a wasteful number, since it uses less digits than its factorization.

61949924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35722 (or 35720 counting only the distinct ones).

The product of its digits is 139968, while the sum is 44.

The square root of 61949924 is about 7870.8274025035. The cubic root of 61949924 is about 395.6825756113.

The spelling of 61949924 in words is "sixty-one million, nine hundred forty-nine thousand, nine hundred twenty-four".

Divisors: 1 2 4 439 878 1756 35279 70558 141116 15487481 30974962 61949924