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122007700 = 22521220077
BaseRepresentation
bin1110100010110…
…11000010010100
322111120122002201
413101123002110
5222213221300
620035014244
73011022403
oct721330224
9274518081
10122007700
1162963211
1234a3a384
131c37aa09
14122bd63a
15aaa066a
hex745b094

122007700 has 18 divisors (see below), whose sum is σ = 264756926. Its totient is φ = 48803040.

The previous prime is 122007689. The next prime is 122007701. The reversal of 122007700 is 7700221.

It can be written as a sum of positive squares in 3 ways, for example, as 14760964 + 107246736 = 3842^2 + 10356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122007701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 609939 + ... + 610138.

Almost surely, 2122007700 is an apocalyptic number.

122007700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122007700 is an abundant number, since it is smaller than the sum of its proper divisors (142749226).

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

122007700 is a wasteful number, since it uses less digits than its factorization.

122007700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220091 (or 1220084 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 122007700 is about 11045.7095743098. The cubic root of 122007700 is about 495.9780004550.

Adding to 122007700 its reverse (7700221), we get a palindrome (129707921).

It can be divided in two parts, 12200 and 7700, that added together give a triangular number (19900 = T199).

The spelling of 122007700 in words is "one hundred twenty-two million, seven thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1220077 2440154 4880308 6100385 12200770 24401540 30501925 61003850 122007700