Search a number
-
+
61514790 = 2352050493
BaseRepresentation
bin1110101010101…
…0010000100110
311021202021102120
43222222100212
5111221433130
610034250410
71344603261
oct352522046
9137667376
1061514790
11317a5a77
1218726a06
13c98a5ac
148253cd8
155601910
hex3aaa426

61514790 has 16 divisors (see below), whose sum is σ = 147635568. Its totient is φ = 16403936.

The previous prime is 61514767. The next prime is 61514807. The reversal of 61514790 is 9741516.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1025217 + ... + 1025276.

It is an arithmetic number, because the mean of its divisors is an integer number (9227223).

Almost surely, 261514790 is an apocalyptic number.

61514790 is an abundant number, since it is smaller than the sum of its proper divisors (86120778).

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

61514790 is a wasteful number, since it uses less digits than its factorization.

61514790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050503.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 61514790 is about 7843.1364899509. The cubic root of 61514790 is about 394.7539780818.

The spelling of 61514790 in words is "sixty-one million, five hundred fourteen thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 2050493 4100986 6151479 10252465 12302958 20504930 30757395 61514790