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3922900 = 225239229
BaseRepresentation
bin1110111101101111010100
321101022012121
432331233110
52001013100
6220025324
745226012
oct16755724
97338177
103922900
11223a373
121392244
13a74757
147418b2
1552751a
hex3bdbd4

3922900 has 18 divisors (see below), whose sum is σ = 8512910. Its totient is φ = 1569120.

The previous prime is 3922871. The next prime is 3922907. The reversal of 3922900 is 92293.

It can be written as a sum of positive squares in 3 ways, for example, as 1317904 + 2604996 = 1148^2 + 1614^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3922907) 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, 19515 + ... + 19714.

Almost surely, 23922900 is an apocalyptic number.

It is an amenable number.

3922900 is an abundant number, since it is smaller than the sum of its proper divisors (4590010).

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

3922900 is a wasteful number, since it uses less digits than its factorization.

3922900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39243 (or 39236 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 3922900 is about 1980.6312125179. The cubic root of 3922900 is about 157.7135760450.

The spelling of 3922900 in words is "three million, nine hundred twenty-two thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 39229 78458 156916 196145 392290 784580 980725 1961450 3922900