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8400484 = 222100121
BaseRepresentation
bin100000000010…
…111001100100
3120210210022001
4200002321210
54122303414
6500015044
7131255131
oct40027144
916723261
108400484
114818454
122991484
131981801
141189588
15b0e074
hex802e64

8400484 has 6 divisors (see below), whose sum is σ = 14700854. Its totient is φ = 4200240.

The previous prime is 8400481. The next prime is 8400529. The reversal of 8400484 is 4840048.

8400484 = T2365 + T2366 + T2367.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8248384 + 152100 = 2872^2 + 390^2 .

It is not an unprimeable number, because it can be changed into a prime (8400481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050057 + ... + 1050064.

Almost surely, 28400484 is an apocalyptic number.

8400484 is the 2367-th centered triangular number.

It is an amenable number.

8400484 is a deficient number, since it is larger than the sum of its proper divisors (6300370).

8400484 is a wasteful number, since it uses less digits than its factorization.

8400484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100125 (or 2100123 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 8400484 is about 2898.3588459678. The cubic root of 8400484 is about 203.2831755407.

The spelling of 8400484 in words is "eight million, four hundred thousand, four hundred eighty-four".

Divisors: 1 2 4 2100121 4200242 8400484