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61945952 = 251935811
BaseRepresentation
bin1110110001001…
…1100001100000
311022120011212112
43230103201200
5111324232302
610051414452
71351350305
oct354234140
9138504775
1061945952
1131a6aa02
12188b4428
13caab913
1483270ac
155689552
hex3b13860

61945952 has 12 divisors (see below), whose sum is σ = 121956156. Its totient is φ = 30972960.

The previous prime is 61945931. The next prime is 61945979. The reversal of 61945952 is 25954916.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 967874 + ... + 967937.

It is an arithmetic number, because the mean of its divisors is an integer number (10163013).

Almost surely, 261945952 is an apocalyptic number.

It is an amenable number.

61945952 is a deficient number, since it is larger than the sum of its proper divisors (60010204).

61945952 is a wasteful number, since it uses less digits than its factorization.

61945952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935821 (or 1935813 counting only the distinct ones).

The product of its digits is 97200, while the sum is 41.

The square root of 61945952 is about 7870.5750742878. The cubic root of 61945952 is about 395.6741188628.

The spelling of 61945952 in words is "sixty-one million, nine hundred forty-five thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 16 32 1935811 3871622 7743244 15486488 30972976 61945952