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61061670 = 2325678463
BaseRepresentation
bin1110100011101…
…1101000100110
311020220020212100
43220323220212
5111112433140
610020432530
71341005235
oct350735046
9136806770
1061061670
113151659a
1218548746
13c85c287
148176b1c
155562530
hex3a3ba26

61061670 has 24 divisors (see below), whose sum is σ = 158760576. Its totient is φ = 16283088.

The previous prime is 61061659. The next prime is 61061683. The reversal of 61061670 is 7616016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339142 + ... + 339321.

It is an arithmetic number, because the mean of its divisors is an integer number (6615024).

Almost surely, 261061670 is an apocalyptic number.

61061670 is an abundant number, since it is smaller than the sum of its proper divisors (97698906).

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

61061670 is a wasteful number, since it uses less digits than its factorization.

61061670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678476 (or 678473 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 61061670 is about 7814.1966957583. The cubic root of 61061670 is about 393.7823314343.

Adding to 61061670 its reverse (7616016), we get a palindrome (68677686).

It can be divided in two parts, 6106 and 1670, that added together give a 5-th power (7776 = 65).

The spelling of 61061670 in words is "sixty-one million, sixty-one thousand, six hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 678463 1356926 2035389 3392315 4070778 6106167 6784630 10176945 12212334 20353890 30530835 61061670