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48371990 = 2523436773
BaseRepresentation
bin1011100010000…
…1100100010110
310101000112220012
42320201210112
544340400430
64444440222
71125104132
oct270414426
9111015805
1048371990
1125339657
1214249072
13a0383a4
1465d23c2
1543a7695
hex2e21916

48371990 has 64 divisors (see below), whose sum is σ = 95648256. Its totient is φ = 17563392.

The previous prime is 48371951. The next prime is 48372017. The reversal of 48371990 is 9917384.

48371990 = 102 + 112 + ... + 5252.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 662594 + ... + 662666.

It is an arithmetic number, because the mean of its divisors is an integer number (1494504).

Almost surely, 248371990 is an apocalyptic number.

48371990 is a deficient number, since it is larger than the sum of its proper divisors (47276266).

48371990 is a wasteful number, since it uses less digits than its factorization.

48371990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 48371990 is about 6954.9974838241. The cubic root of 48371990 is about 364.3605241354.

The spelling of 48371990 in words is "forty-eight million, three hundred seventy-one thousand, nine hundred ninety".

Divisors: 1 2 5 10 23 43 46 67 73 86 115 134 146 215 230 335 365 430 670 730 989 1541 1679 1978 2881 3082 3139 3358 4891 4945 5762 6278 7705 8395 9782 9890 14405 15410 15695 16790 24455 28810 31390 48910 66263 72197 112493 132526 144394 210313 224986 331315 360985 420626 562465 662630 721970 1051565 1124930 2103130 4837199 9674398 24185995 48371990