Search a number
-
+
80402404 = 2220100601
BaseRepresentation
bin1001100101011…
…01011111100100
312121021212100211
410302231133210
5131040334104
611551145204
71664260225
oct462553744
9177255324
1080402404
1141426575
1222b15204
13138715b4
14a96d24c
1570d2e04
hex4cad7e4

80402404 has 6 divisors (see below), whose sum is σ = 140704214. Its totient is φ = 40201200.

The previous prime is 80402341. The next prime is 80402417. The reversal of 80402404 is 40420408.

It can be written as a sum of positive squares in only one way, i.e., 46785600 + 33616804 = 6840^2 + 5798^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050297 + ... + 10050304.

Almost surely, 280402404 is an apocalyptic number.

It is an amenable number.

80402404 is a deficient number, since it is larger than the sum of its proper divisors (60301810).

80402404 is a wasteful number, since it uses less digits than its factorization.

80402404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20100605 (or 20100603 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 80402404 is about 8966.7387605528. The cubic root of 80402404 is about 431.6081909894.

The spelling of 80402404 in words is "eighty million, four hundred two thousand, four hundred four".

Divisors: 1 2 4 20100601 40201202 80402404