Search a number
-
+
53074780 = 22511241249
BaseRepresentation
bin1100101001110…
…1101101011100
310200212110220121
43022131231130
5102041343110
65133324324
71213061653
oct312355534
9120773817
1053074780
1127a60960
12159366a4
13acc3ac5
14709819a
1549d5cda
hex329db5c

53074780 has 24 divisors (see below), whose sum is σ = 121590000. Its totient is φ = 19299840.

The previous prime is 53074739. The next prime is 53074789. The reversal of 53074780 is 8747035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53074789) 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, 120405 + ... + 120844.

It is an arithmetic number, because the mean of its divisors is an integer number (5066250).

Almost surely, 253074780 is an apocalyptic number.

It is an amenable number.

53074780 is an abundant number, since it is smaller than the sum of its proper divisors (68515220).

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

53074780 is a wasteful number, since it uses less digits than its factorization.

53074780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241269 (or 241267 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 53074780 is about 7285.2439904234. The cubic root of 53074780 is about 375.8051559524.

The spelling of 53074780 in words is "fifty-three million, seventy-four thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 241249 482498 964996 1206245 2412490 2653739 4824980 5307478 10614956 13268695 26537390 53074780