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1400276 = 221971777
BaseRepresentation
bin101010101110111010100
32122010211002
411111313110
5324302101
650002432
714621303
oct5256724
92563732
101400276
11877059
12576418
133a0487
1428643a
151c9d6b
hex155dd4

1400276 has 12 divisors (see below), whose sum is σ = 2464308. Its totient is φ = 696192.

The previous prime is 1400261. The next prime is 1400279. The reversal of 1400276 is 6720041.

It can be written as a sum of positive squares in 2 ways, for example, as 1123600 + 276676 = 1060^2 + 526^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101 + ... + 1676.

It is an arithmetic number, because the mean of its divisors is an integer number (205359).

21400276 is an apocalyptic number.

It is an amenable number.

1400276 is a deficient number, since it is larger than the sum of its proper divisors (1064032).

1400276 is a wasteful number, since it uses less digits than its factorization.

1400276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978 (or 1976 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1400276 is about 1183.3325821594. The cubic root of 1400276 is about 111.8762451096.

The spelling of 1400276 in words is "one million, four hundred thousand, two hundred seventy-six".

Divisors: 1 2 4 197 394 788 1777 3554 7108 350069 700138 1400276