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4904172980 = 2257139252013
BaseRepresentation
bin1001001000100111…
…11011110110110100
3110122210001210121022
410210103323312310
540020432013410
62130345240312
7232346532260
oct44423736664
913583053538
104904172980
112097306823
12b4a493098
13602049605
143474790a0
151da828455
hex1244fbdb4

4904172980 has 48 divisors (see below), whose sum is σ = 11854738560. Its totient is φ = 1669327488.

The previous prime is 4904172979. The next prime is 4904172983. The reversal of 4904172980 is 892714094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4904172983) 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, 106547 + ... + 145466.

It is an arithmetic number, because the mean of its divisors is an integer number (246973720).

Almost surely, 24904172980 is an apocalyptic number.

It is an amenable number.

4904172980 is an abundant number, since it is smaller than the sum of its proper divisors (6950565580).

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

4904172980 is a wasteful number, since it uses less digits than its factorization.

4904172980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252168 (or 252166 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 4904172980 is about 70029.8006565776. The cubic root of 4904172980 is about 1698.9812789290.

The spelling of 4904172980 in words is "four billion, nine hundred four million, one hundred seventy-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 139 140 278 556 695 973 1390 1946 2780 3892 4865 9730 19460 252013 504026 1008052 1260065 1764091 2520130 3528182 5040260 7056364 8820455 17640910 35029807 35281820 70059614 140119228 175149035 245208649 350298070 490417298 700596140 980834596 1226043245 2452086490 4904172980