Search a number
-
+
25080984 = 23321731661
BaseRepresentation
bin101111110101…
…1010010011000
31202012020122100
41133223102120
522410042414
62253323400
7423120255
oct137532230
952166570
1025080984
1113180795
128496560
135272026
14348c42c
152306609
hex17eb498

25080984 has 96 divisors (see below), whose sum is σ = 74355840. Its totient is φ = 7603200.

The previous prime is 25080983. The next prime is 25081013. The reversal of 25080984 is 48908052.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25080983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37614 + ... + 38274.

It is an arithmetic number, because the mean of its divisors is an integer number (774540).

Almost surely, 225080984 is an apocalyptic number.

25080984 is a gapful number since it is divisible by the number (24) 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 25080984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37177920).

25080984 is an abundant number, since it is smaller than the sum of its proper divisors (49274856).

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

25080984 is a wasteful number, since it uses less digits than its factorization.

25080984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 25080984 is about 5008.0918521928. The cubic root of 25080984 is about 292.7171650475.

The spelling of 25080984 in words is "twenty-five million, eighty thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 17 18 24 31 34 36 51 62 68 72 93 102 124 136 153 186 204 248 279 306 372 408 527 558 612 661 744 1054 1116 1224 1322 1581 1983 2108 2232 2644 3162 3966 4216 4743 5288 5949 6324 7932 9486 11237 11898 12648 15864 18972 20491 22474 23796 33711 37944 40982 44948 47592 61473 67422 81964 89896 101133 122946 134844 163928 184419 202266 245892 269688 348347 368838 404532 491784 696694 737676 809064 1045041 1393388 1475352 2090082 2786776 3135123 4180164 6270246 8360328 12540492 25080984