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1960907940 = 22375127353
BaseRepresentation
bin111010011100001…
…0001010010100100
312001122210110000000
41310320101102210
513003443023230
6522325021300
766410304525
oct16470212244
95048713000
101960907940
11916977182
12468854830
1325333ab74
1414860084c
15b723eb60
hex74e114a4

1960907940 has 192 divisors, whose sum is σ = 6242181120. Its totient is φ = 517321728.

The previous prime is 1960907933. The next prime is 1960907957. The reversal of 1960907940 is 497090691.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5554804 + ... + 5555156.

It is an arithmetic number, because the mean of its divisors is an integer number (32511360).

Almost surely, 21960907940 is an apocalyptic number.

1960907940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1960907940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3121090560).

1960907940 is an abundant number, since it is smaller than the sum of its proper divisors (4281273180).

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

1960907940 is a wasteful number, since it uses less digits than its factorization.

1960907940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 1960907940 is about 44282.1401921813. The cubic root of 1960907940 is about 1251.6581599651.

The spelling of 1960907940 in words is "one billion, nine hundred sixty million, nine hundred seven thousand, nine hundred forty".