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5551213 = 97151379
BaseRepresentation
bin10101001011010001101101
3101110000211111
4111023101231
52410114323
6314552021
765120203
oct25132155
911400744
105551213
113151788
121a38611
1311c4955
14a47073
15749c0d
hex54b46d

5551213 has 8 divisors (see below), whose sum is σ = 5660480. Its totient is φ = 5443200.

The previous prime is 5551193. The next prime is 5551237. The reversal of 5551213 is 3121555.

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

It is a cyclic number.

It is not a de Polignac number, because 5551213 - 217 = 5420141 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 (5551283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14458 + ... + 14836.

It is an arithmetic number, because the mean of its divisors is an integer number (707560).

Almost surely, 25551213 is an apocalyptic number.

It is an amenable number.

5551213 is a deficient number, since it is larger than the sum of its proper divisors (109267).

5551213 is a wasteful number, since it uses less digits than its factorization.

5551213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627.

The product of its digits is 750, while the sum is 22.

The square root of 5551213 is about 2356.1012287251. The cubic root of 5551213 is about 177.0636029628.

Adding to 5551213 its reverse (3121555), we get a palindrome (8672768).

The spelling of 5551213 in words is "five million, five hundred fifty-one thousand, two hundred thirteen".

Divisors: 1 97 151 379 14647 36763 57229 5551213