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49958213 = 294142017
BaseRepresentation
bin1011111010010…
…0110101000101
310111000010210012
42332210311011
5100242130323
64542440005
71144431524
oct276446505
9114003705
1049958213
1126222388
1214893005
13a472396
1468c64bb
1545bc678
hex2fa4d45

49958213 has 8 divisors (see below), whose sum is σ = 52942680. Its totient is φ = 47057920.

The previous prime is 49958203. The next prime is 49958219. The reversal of 49958213 is 31285994.

It can be written as a sum of positive squares in 4 ways, for example, as 368449 + 49589764 = 607^2 + 7042^2 .

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 49958213 - 24 = 49958197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49958219) 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, 19820 + ... + 22197.

It is an arithmetic number, because the mean of its divisors is an integer number (6617835).

Almost surely, 249958213 is an apocalyptic number.

It is an amenable number.

49958213 is a deficient number, since it is larger than the sum of its proper divisors (2984467).

49958213 is a wasteful number, since it uses less digits than its factorization.

49958213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42087.

The product of its digits is 77760, while the sum is 41.

The square root of 49958213 is about 7068.1124071424. The cubic root of 49958213 is about 368.3004915107.

The spelling of 49958213 in words is "forty-nine million, nine hundred fifty-eight thousand, two hundred thirteen".

Divisors: 1 29 41 1189 42017 1218493 1722697 49958213