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49693212 = 223279101173
BaseRepresentation
bin1011110110010…
…0001000011100
310110111200021100
42331210020130
5100210140322
64533033100
71142246112
oct275441034
9113450240
1049693212
1126061278
1214785790
13a3ab88a
146857ab2
154568dac
hex2f6421c

49693212 has 72 divisors (see below), whose sum is σ = 129205440. Its totient is φ = 16099200.

The previous prime is 49693201. The next prime is 49693249. The reversal of 49693212 is 21239694.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 287158 + ... + 287330.

It is an arithmetic number, because the mean of its divisors is an integer number (1794520).

Almost surely, 249693212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49693212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64602720).

49693212 is an abundant number, since it is smaller than the sum of its proper divisors (79512228).

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

49693212 is a wasteful number, since it uses less digits than its factorization.

49693212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 358 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 49693212 is about 7049.3412458186. The cubic root of 49693212 is about 367.6481257662.

The spelling of 49693212 in words is "forty-nine million, six hundred ninety-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 79 101 158 173 202 237 303 316 346 404 474 519 606 692 711 909 948 1038 1212 1422 1557 1818 2076 2844 3114 3636 6228 7979 13667 15958 17473 23937 27334 31916 34946 41001 47874 52419 54668 69892 71811 82002 95748 104838 123003 143622 157257 164004 209676 246006 287244 314514 492012 629028 1380367 2760734 4141101 5521468 8282202 12423303 16564404 24846606 49693212