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48642400 = 2552411483
BaseRepresentation
bin1011100110001…
…1100101100000
310101112021211101
42321203211200
544423024100
64454324144
71130311402
oct271434540
9111467741
1048642400
1125503834
1214359654
13a1014b1
146662b72
15440c86a
hex2e63960

48642400 has 72 divisors (see below), whose sum is σ = 121726584. Its totient is φ = 18969600.

The previous prime is 48642371. The next prime is 48642403. The reversal of 48642400 is 424684.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48642403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32059 + ... + 33541.

It is an arithmetic number, because the mean of its divisors is an integer number (1690647).

Almost surely, 248642400 is an apocalyptic number.

48642400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48642400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60863292).

48642400 is an abundant number, since it is smaller than the sum of its proper divisors (73084184).

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

48642400 is a wasteful number, since it uses less digits than its factorization.

48642400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544 (or 1531 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 48642400 is about 6974.4103693431. The cubic root of 48642400 is about 365.0382145515.

The spelling of 48642400 in words is "forty-eight million, six hundred forty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 41 50 80 82 100 160 164 200 205 328 400 410 656 800 820 1025 1312 1483 1640 2050 2966 3280 4100 5932 6560 7415 8200 11864 14830 16400 23728 29660 32800 37075 47456 59320 60803 74150 118640 121606 148300 237280 243212 296600 304015 486424 593200 608030 972848 1186400 1216060 1520075 1945696 2432120 3040150 4864240 6080300 9728480 12160600 24321200 48642400