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49102000 = 245324551
BaseRepresentation
bin1011101101001…
…1110010110000
310102101122021121
42323103302300
5100032231000
64512232024
71134234343
oct273236260
9112348247
1049102000
1125798072
121453b614
13a23274c
14674245a
15449db1a
hex2ed3cb0

49102000 has 40 divisors (see below), whose sum is σ = 118733472. Its totient is φ = 19640000.

The previous prime is 49101991. The next prime is 49102007. The reversal of 49102000 is 20194.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×491020002 = 4822012808000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (49102007) 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, 10276 + ... + 14275.

Almost surely, 249102000 is an apocalyptic number.

49102000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49102000 is an abundant number, since it is smaller than the sum of its proper divisors (69631472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49102000 is a wasteful number, since it uses less digits than its factorization.

49102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24574 (or 24558 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 49102000 is about 7007.2819266817. The cubic root of 49102000 is about 366.1843060311.

Adding to 49102000 its reverse (20194), we get a palindrome (49122194).

The spelling of 49102000 in words is "forty-nine million, one hundred two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 24551 49102 98204 122755 196408 245510 392816 491020 613775 982040 1227550 1964080 2455100 3068875 4910200 6137750 9820400 12275500 24551000 49102000