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54694949 = 60790107
BaseRepresentation
bin1101000010100…
…1010000100101
310210220210100212
43100221100211
5103000214244
65232145205
71232620331
oct320512045
9123823325
1054694949
1128968141
1216398205
13b44039a
14739a7c1
154c05d9e
hex3429425

54694949 has 4 divisors (see below), whose sum is σ = 54785664. Its totient is φ = 54604236.

The previous prime is 54694919. The next prime is 54694999. The reversal of 54694949 is 94949645.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54694949 is a prime.

It is a super-2 number, since 2×546949492 = 5983074892225202, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54694897 and 54694906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54694919) 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, 44447 + ... + 45660.

It is an arithmetic number, because the mean of its divisors is an integer number (13696416).

Almost surely, 254694949 is an apocalyptic number.

It is an amenable number.

54694949 is a deficient number, since it is larger than the sum of its proper divisors (90715).

54694949 is an equidigital number, since it uses as much as digits as its factorization.

54694949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90714.

The product of its digits is 1399680, while the sum is 50.

The square root of 54694949 is about 7395.6033560488. The cubic root of 54694949 is about 379.5908546458.

The spelling of 54694949 in words is "fifty-four million, six hundred ninety-four thousand, nine hundred forty-nine".

Divisors: 1 607 90107 54694949