Search a number
-
+
747670401 = 3283074489
BaseRepresentation
bin101100100100001…
…000101110000001
31221002212120222100
4230210020232001
53012400423101
6202105101013
724346044042
oct5444105601
91832776870
10747670401
11354049925
1218a487769
13bbb9032a
14714268c9
154598be86
hex2c908b81

747670401 has 6 divisors (see below), whose sum is σ = 1079968370. Its totient is φ = 498446928.

The previous prime is 747670381. The next prime is 747670403. The reversal of 747670401 is 104076747.

It can be written as a sum of positive squares in only one way, i.e., 588305025 + 159365376 = 24255^2 + 12624^2 .

It is not a de Polignac number, because 747670401 - 26 = 747670337 is a prime.

It is a super-2 number, since 2×7476704012 = 1118022057063001602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (747670403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41537236 + ... + 41537253.

Almost surely, 2747670401 is an apocalyptic number.

It is an amenable number.

747670401 is a deficient number, since it is larger than the sum of its proper divisors (332297969).

747670401 is a wasteful number, since it uses less digits than its factorization.

747670401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83074495 (or 83074492 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 747670401 is about 27343.5623319274. The cubic root of 747670401 is about 907.6186180127.

It can be divided in two parts, 7476 and 70401, that added together give a palindrome (77877).

The spelling of 747670401 in words is "seven hundred forty-seven million, six hundred seventy thousand, four hundred one".

Divisors: 1 3 9 83074489 249223467 747670401