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49019040 = 2533571621
BaseRepresentation
bin1011101011111…
…1100010100000
310102020102111000
42322333202200
5100022102130
64510352000
71133440440
oct272774240
9112212430
1049019040
1125740804
12144bb600
13a203a65
146720120
154484260
hex2ebf8a0

49019040 has 192 divisors, whose sum is σ = 196197120. Its totient is φ = 11197440.

The previous prime is 49018999. The next prime is 49019081. The reversal of 49019040 is 4091094.

It is an interprime number because it is at equal distance from previous prime (49018999) and next prime (49019081).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 49018995 and 49019013.

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, 29430 + ... + 31050.

It is an arithmetic number, because the mean of its divisors is an integer number (1021860).

Almost surely, 249019040 is an apocalyptic number.

49019040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49019040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98098560).

49019040 is an abundant number, since it is smaller than the sum of its proper divisors (147178080).

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

49019040 is a wasteful number, since it uses less digits than its factorization.

49019040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652 (or 1638 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 49019040 is about 7001.3598679114. The cubic root of 49019040 is about 365.9779615862.

The spelling of 49019040 in words is "forty-nine million, nineteen thousand, forty".