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47023426 = 223511713
BaseRepresentation
bin1011001101100…
…0010101000010
310021111001000101
42303120111002
544014222201
64355513014
71110456352
oct263302502
9107431011
1047023426
11245a843a
12138b876a
139985618
146360b62
1541dcd01
hex2cd8542

47023426 has 4 divisors (see below), whose sum is σ = 70535142. Its totient is φ = 23511712.

The previous prime is 47023409. The next prime is 47023429. The reversal of 47023426 is 62432074.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40947201 + 6076225 = 6399^2 + 2465^2 .

It is a super-2 number, since 2×470234262 = 4422405185554952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47023394 and 47023403.

It is not an unprimeable number, because it can be changed into a prime (47023429) 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 as a sum of consecutive naturals, namely, 11755855 + ... + 11755858.

Almost surely, 247023426 is an apocalyptic number.

47023426 is a deficient number, since it is larger than the sum of its proper divisors (23511716).

47023426 is a wasteful number, since it uses less digits than its factorization.

47023426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23511715.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 47023426 is about 6857.3629042074. The cubic root of 47023426 is about 360.9425557571.

It can be divided in two parts, 4702 and 3426, that added together give a triangular number (8128 = T127).

The spelling of 47023426 in words is "forty-seven million, twenty-three thousand, four hundred twenty-six".

Divisors: 1 2 23511713 47023426