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50399454 = 2378997139
BaseRepresentation
bin1100000001000…
…0100011011110
310111211120001110
43000100203132
5100400240304
65000122450
71151250120
oct300204336
9114746043
1050399454
11264a3946
1214a66426
13a598181
14699d210
154658289
hex30108de

50399454 has 64 divisors (see below), whose sum is σ = 118540800. Its totient is φ = 13989888.

The previous prime is 50399443. The next prime is 50399501. The reversal of 50399454 is 45499305.

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, 362517 + ... + 362655.

It is an arithmetic number, because the mean of its divisors is an integer number (1852200).

Almost surely, 250399454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50399454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59270400).

50399454 is an abundant number, since it is smaller than the sum of its proper divisors (68141346).

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

50399454 is a wasteful number, since it uses less digits than its factorization.

50399454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 50399454 is about 7099.2572850968. The cubic root of 50399454 is about 369.3816162019.

The spelling of 50399454 in words is "fifty million, three hundred ninety-nine thousand, four hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 42 89 97 139 178 194 267 278 291 417 534 582 623 679 834 973 1246 1358 1869 1946 2037 2919 3738 4074 5838 8633 12371 13483 17266 24742 25899 26966 37113 40449 51798 60431 74226 80898 86597 94381 120862 173194 181293 188762 259791 283143 362586 519582 566286 1199987 2399974 3599961 7199922 8399909 16799818 25199727 50399454