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61040552 = 237630069
BaseRepresentation
bin1110100011011…
…0011110101000
311020212011220012
43220312132220
5111111244202
610020151052
71340556536
oct350663650
9136764805
1061040552
1131501741
1218538488
13c852791
14816d156
15555b152
hex3a367a8

61040552 has 8 divisors (see below), whose sum is σ = 114451050. Its totient is φ = 30520272.

The previous prime is 61040543. The next prime is 61040587. The reversal of 61040552 is 25504016.

It can be written as a sum of positive squares in only one way, i.e., 58461316 + 2579236 = 7646^2 + 1606^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3815027 + ... + 3815042.

Almost surely, 261040552 is an apocalyptic number.

It is an amenable number.

61040552 is a deficient number, since it is larger than the sum of its proper divisors (53410498).

61040552 is a wasteful number, since it uses less digits than its factorization.

61040552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7630075 (or 7630071 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 61040552 is about 7812.8453203682. The cubic root of 61040552 is about 393.7369300440.

Adding to 61040552 its reverse (25504016), we get a palindrome (86544568).

The spelling of 61040552 in words is "sixty-one million, forty thousand, five hundred fifty-two".

Divisors: 1 2 4 8 7630069 15260138 30520276 61040552