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94195980 = 223351731331
BaseRepresentation
bin1011001110101…
…01000100001100
320120020122121000
411213111010030
5143103232410
613202540300
72222436564
oct547250414
9216218530
1094195980
114919791a
1227667690
1316690a88
14c71dda4
158409dc0
hex59d510c

94195980 has 192 divisors, whose sum is σ = 321269760. Its totient is φ = 22809600.

The previous prime is 94195967. The next prime is 94195987. The reversal of 94195980 is 8959149.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94195987) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 284415 + ... + 284745.

It is an arithmetic number, because the mean of its divisors is an integer number (1673280).

Almost surely, 294195980 is an apocalyptic number.

94195980 is a gapful number since it is divisible by the number (90) 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 94195980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160634880).

94195980 is an abundant number, since it is smaller than the sum of its proper divisors (227073780).

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

94195980 is a wasteful number, since it uses less digits than its factorization.

94195980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 94195980 is about 9705.4613491580. The cubic root of 94195980 is about 454.9993640051. Note that the first 3 decimals are identical.

The spelling of 94195980 in words is "ninety-four million, one hundred ninety-five thousand, nine hundred eighty".