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151410421 = 295221049
BaseRepresentation
bin10010000011001…
…01011011110101
3101112220110001101
421001211123311
5302230113141
623005130101
73515652541
oct1101453365
9345813041
10151410421
1178515988
1242859931
13254a3b86
1416174a21
15d45c531
hex90656f5

151410421 has 4 divisors (see below), whose sum is σ = 156631500. Its totient is φ = 146189344.

The previous prime is 151410409. The next prime is 151410443. The reversal of 151410421 is 124014151.

151410421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124014151 = 521238031.

It can be written as a sum of positive squares in 2 ways, for example, as 65124900 + 86285521 = 8070^2 + 9289^2 .

It is a cyclic number.

It is not a de Polignac number, because 151410421 - 219 = 150886133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151410451) 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, 2610496 + ... + 2610553.

It is an arithmetic number, because the mean of its divisors is an integer number (39157875).

Almost surely, 2151410421 is an apocalyptic number.

It is an amenable number.

151410421 is a deficient number, since it is larger than the sum of its proper divisors (5221079).

151410421 is an equidigital number, since it uses as much as digits as its factorization.

151410421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221078.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 151410421 is about 12304.8941888990. The cubic root of 151410421 is about 532.9894209456.

Adding to 151410421 its reverse (124014151), we get a palindrome (275424572).

It can be divided in two parts, 1514 and 10421, that added together give a triangular number (11935 = T154).

The spelling of 151410421 in words is "one hundred fifty-one million, four hundred ten thousand, four hundred twenty-one".

Divisors: 1 29 5221049 151410421