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4857972 = 2237151383
BaseRepresentation
bin10010100010000001110100
3100010210212220
4102202001310
52220423342
6252042340
756202120
oct22420164
910123786
104857972
112818959
1217633b0
131011252
14906580
1565e5ec
hex4a2074

4857972 has 48 divisors (see below), whose sum is σ = 13074432. Its totient is φ = 1375200.

The previous prime is 4857959. The next prime is 4857973. The reversal of 4857972 is 2797584.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4857973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12493 + ... + 12875.

It is an arithmetic number, because the mean of its divisors is an integer number (272384).

Almost surely, 24857972 is an apocalyptic number.

4857972 is a gapful number since it is divisible by the number (42) 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 4857972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6537216).

4857972 is an abundant number, since it is smaller than the sum of its proper divisors (8216460).

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

4857972 is a wasteful number, since it uses less digits than its factorization.

4857972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 546 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 4857972 is about 2204.0807607708. The cubic root of 4857972 is about 169.3629211667.

The spelling of 4857972 in words is "four million, eight hundred fifty-seven thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 151 302 383 453 604 766 906 1057 1149 1532 1812 2114 2298 2681 3171 4228 4596 5362 6342 8043 10724 12684 16086 32172 57833 115666 173499 231332 346998 404831 693996 809662 1214493 1619324 2428986 4857972