Search a number
-
+
47038402 = 2137171673
BaseRepresentation
bin1011001101101…
…1111111000010
310021111210120001
42303123333002
544020212102
64400110214
71110551125
oct263337702
9107453501
1047038402
1124608714
121390536a
13998c398
1463663bc
1541e2487
hex2cdbfc2

47038402 has 8 divisors (see below), whose sum is σ = 71073036. Its totient is φ = 23347392.

The previous prime is 47038391. The next prime is 47038403. The reversal of 47038402 is 20483074.

It can be written as a sum of positive squares in 2 ways, for example, as 46799281 + 239121 = 6841^2 + 489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×470384022 = 4425222525427208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47038403) 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, 85563 + ... + 86110.

Almost surely, 247038402 is an apocalyptic number.

47038402 is a deficient number, since it is larger than the sum of its proper divisors (24034634).

47038402 is a wasteful number, since it uses less digits than its factorization.

47038402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171812.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 47038402 is about 6858.4547822378. The cubic root of 47038402 is about 360.9808692987.

The spelling of 47038402 in words is "forty-seven million, thirty-eight thousand, four hundred two".

Divisors: 1 2 137 274 171673 343346 23519201 47038402