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48938190 = 2357397587
BaseRepresentation
bin1011101010101…
…1110011001110
310102002022120120
42322223303032
5100012010230
64504525410
71132652640
oct272536316
9112068516
1048938190
1125695a94
1214480866
13a1a6012
1466dc890
15446a310
hex2eabcce

48938190 has 64 divisors (see below), whose sum is σ = 134797824. Its totient is φ = 11138688.

The previous prime is 48938159. The next prime is 48938203. The reversal of 48938190 is 9183984.

It is a super-2 number, since 2×489381902 = 4789892880952200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83077 + ... + 83663.

It is an arithmetic number, because the mean of its divisors is an integer number (2106216).

Almost surely, 248938190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48938190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67398912).

48938190 is an abundant number, since it is smaller than the sum of its proper divisors (85859634).

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

48938190 is a wasteful number, since it uses less digits than its factorization.

48938190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 48938190 is about 6995.5836068194. The cubic root of 48938190 is about 365.7766411678.

The spelling of 48938190 in words is "forty-eight million, nine hundred thirty-eight thousand, one hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 397 587 794 1174 1191 1761 1985 2382 2779 2935 3522 3970 4109 5558 5870 5955 8218 8337 8805 11910 12327 13895 16674 17610 20545 24654 27790 41090 41685 61635 83370 123270 233039 466078 699117 1165195 1398234 1631273 2330390 3262546 3495585 4893819 6991170 8156365 9787638 16312730 24469095 48938190