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49870134 = 233314
BaseRepresentation
bin1011111000111…
…1010100110110
310110211122222000
42332033110312
5100231321014
64540520130
71143613656
oct276172466
9113748860
1049870134
1126172196
1214850046
13a441272
1468a2366
1545a1509
hex2f8f536

49870134 has 40 divisors (see below), whose sum is σ = 114516600. Its totient is φ = 16087140.

The previous prime is 49870133. The next prime is 49870147. The reversal of 49870134 is 43107894.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49870133) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1608699 + ... + 1608729.

It is an arithmetic number, because the mean of its divisors is an integer number (2862915).

Almost surely, 249870134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49870134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57258300).

49870134 is an abundant number, since it is smaller than the sum of its proper divisors (64646466).

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

49870134 is an frugal number, since it uses more digits than its factorization.

49870134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 49870134 is about 7061.8789284439. The cubic root of 49870134 is about 368.0839197003.

The spelling of 49870134 in words is "forty-nine million, eight hundred seventy thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 31 54 62 93 186 279 558 837 961 1674 1922 2883 5766 8649 17298 25947 29791 51894 59582 89373 178746 268119 536238 804357 923521 1608714 1847042 2770563 5541126 8311689 16623378 24935067 49870134