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49028919 = 350332491
BaseRepresentation
bin1011101100000…
…1111100110111
310102020221000220
42323001330313
5100022411134
64510505423
71133511312
oct273017467
9112227026
1049028919
1125748175
1214505273
13a2083c4
146723979
154487149
hex2ec1f37

49028919 has 8 divisors (see below), whose sum is σ = 65503872. Its totient is φ = 32619960.

The previous prime is 49028909. The next prime is 49028921. The reversal of 49028919 is 91982094.

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

It is not a de Polignac number, because 49028919 - 212 = 49024823 is a prime.

It is a super-2 number, since 2×490289192 = 4807669796617122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49028909) 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, 14737 + ... + 17754.

It is an arithmetic number, because the mean of its divisors is an integer number (8187984).

Almost surely, 249028919 is an apocalyptic number.

49028919 is a deficient number, since it is larger than the sum of its proper divisors (16474953).

49028919 is a wasteful number, since it uses less digits than its factorization.

49028919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32997.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 49028919 is about 7002.0653381699. The cubic root of 49028919 is about 366.0025455943.

The spelling of 49028919 in words is "forty-nine million, twenty-eight thousand, nine hundred nineteen".

Divisors: 1 3 503 1509 32491 97473 16342973 49028919