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61324901 = 1171233337
BaseRepresentation
bin1110100111101…
…1111001100101
311021101121221122
43221323321211
5111144344101
610030223325
71343152541
oct351737145
9137347848
1061324901
1131686340
1218654b45
13c922031
148204a21
1555b551b
hex3a7be65

61324901 has 16 divisors (see below), whose sum is σ = 68335488. Its totient is φ = 54566400.

The previous prime is 61324883. The next prime is 61324903. The reversal of 61324901 is 10942316.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61324901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61324903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181805 + ... + 182141.

It is an arithmetic number, because the mean of its divisors is an integer number (4270968).

Almost surely, 261324901 is an apocalyptic number.

It is an amenable number.

61324901 is a deficient number, since it is larger than the sum of its proper divisors (7010587).

61324901 is a wasteful number, since it uses less digits than its factorization.

61324901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 61324901 is about 7831.0217085640. The cubic root of 61324901 is about 394.3473728787.

The spelling of 61324901 in words is "sixty-one million, three hundred twenty-four thousand, nine hundred one".

Divisors: 1 11 71 233 337 781 2563 3707 16543 23927 78521 181973 263197 863731 5574991 61324901