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380056900 = 225231122599
BaseRepresentation
bin10110101001110…
…011010101000100
3222111010220001111
4112221303111010
51234243310100
6101413534404
712263300416
oct2651632504
9874126044
10380056900
11185594413
12a7344404
136097b052
14386929b6
15235746ba
hex16a73544

380056900 has 36 divisors (see below), whose sum is σ = 851334400. Its totient is φ = 147117600.

The previous prime is 380056871. The next prime is 380056903. The reversal of 380056900 is 9650083.

It is a super-2 number, since 2×3800569002 = 288886494475220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (380056903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58200 + ... + 64399.

Almost surely, 2380056900 is an apocalyptic number.

It is an amenable number.

380056900 is an abundant number, since it is smaller than the sum of its proper divisors (471277500).

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

380056900 is a wasteful number, since it uses less digits than its factorization.

380056900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122644 (or 122637 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 380056900 is about 19495.0480891943. The cubic root of 380056900 is about 724.3517947856.

The spelling of 380056900 in words is "three hundred eighty million, fifty-six thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 100 124 155 310 620 775 1550 3100 122599 245198 490396 612995 1225990 2451980 3064975 3800569 6129950 7601138 12259900 15202276 19002845 38005690 76011380 95014225 190028450 380056900