Search a number
-
+
61414400 = 210522399
BaseRepresentation
bin1110101001000…
…1110000000000
311021120011201102
43222101300000
5111210230100
610032153532
71344004505
oct352216000
9137504642
1061414400
1131737603
12186988a8
13c9539a8
1482294ac
1555d1cd5
hex3a91c00

61414400 has 66 divisors (see below), whose sum is σ = 152296800. Its totient is φ = 24555520.

The previous prime is 61414399. The next prime is 61414427. The reversal of 61414400 is 441416.

It is a happy number.

It is a super-3 number, since 3×614144003 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24401 + ... + 26799.

Almost surely, 261414400 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 61414400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76148400).

61414400 is an abundant number, since it is smaller than the sum of its proper divisors (90882400).

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

61414400 is a wasteful number, since it uses less digits than its factorization.

61414400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429 (or 2406 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 61414400 is about 7836.7340136054. The cubic root of 61414400 is about 394.5391195666.

Adding to 61414400 its reverse (441416), we get a palindrome (61855816).

The spelling of 61414400 in words is "sixty-one million, four hundred fourteen thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 512 640 800 1024 1280 1600 2399 2560 3200 4798 5120 6400 9596 11995 12800 19192 23990 25600 38384 47980 59975 76768 95960 119950 153536 191920 239900 307072 383840 479800 614144 767680 959600 1228288 1535360 1919200 2456576 3070720 3838400 6141440 7676800 12282880 15353600 30707200 61414400