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48497421 = 374321249
BaseRepresentation
bin1011100100000…
…0001100001101
310101020220221210
42321000030031
544403404141
64451245033
71126135620
oct271001415
9111226853
1048497421
1125414915
12142a9779
13a0804cb
146625db7
1543ce916
hex2e4030d

48497421 has 24 divisors (see below), whose sum is σ = 75720000. Its totient is φ = 27046656.

The previous prime is 48497411. The next prime is 48497431. The reversal of 48497421 is 12479484.

It is an interprime number because it is at equal distance from previous prime (48497411) and next prime (48497431).

It is not a de Polignac number, because 48497421 - 26 = 48497357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48497421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48497401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38205 + ... + 39453.

It is an arithmetic number, because the mean of its divisors is an integer number (3155000).

Almost surely, 248497421 is an apocalyptic number.

It is an amenable number.

48497421 is a deficient number, since it is larger than the sum of its proper divisors (27222579).

48497421 is a wasteful number, since it uses less digits than its factorization.

48497421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345 (or 1302 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 48497421 is about 6964.0089747214. The cubic root of 48497421 is about 364.6751873603.

The spelling of 48497421 in words is "forty-eight million, four hundred ninety-seven thousand, four hundred twenty-one".

Divisors: 1 3 7 21 43 129 301 903 1249 1849 3747 5547 8743 12943 26229 38829 53707 161121 375949 1127847 2309401 6928203 16165807 48497421