Search a number
-
+
49999470 = 23523233311
BaseRepresentation
bin1011111010111…
…0111001101110
310111002020101020
42332232321232
5100244440340
64543355010
71144663023
oct276567156
9114066336
1049999470
1126250384
12148b2a66
13a4880b1
1468d754a
1545c99d0
hex2faee6e

49999470 has 64 divisors (see below), whose sum is σ = 126157824. Its totient is φ = 12657920.

The previous prime is 49999463. The next prime is 49999471. The reversal of 49999470 is 7499994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49999471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160615 + ... + 160925.

It is an arithmetic number, because the mean of its divisors is an integer number (1971216).

Almost surely, 249999470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49999470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63078912).

49999470 is an abundant number, since it is smaller than the sum of its proper divisors (76158354).

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

49999470 is a wasteful number, since it uses less digits than its factorization.

49999470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577.

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 49999470 is about 7071.0303351068. The cubic root of 49999470 is about 368.4018481683.

The spelling of 49999470 in words is "forty-nine million, nine hundred ninety-nine thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 233 311 345 466 622 690 699 933 1165 1398 1555 1866 2330 3110 3495 4665 5359 6990 7153 9330 10718 14306 16077 21459 26795 32154 35765 42918 53590 71530 72463 80385 107295 144926 160770 214590 217389 362315 434778 724630 1086945 1666649 2173890 3333298 4999947 8333245 9999894 16666490 24999735 49999470