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7132980 = 2235196257
BaseRepresentation
bin11011001101011100110100
3111102101121110
4123031130310
53311223410
6412515020
7114425601
oct33153464
914371543
107132980
114032128
12247ba70
1316298ca
14d396a8
1595d720
hex6cd734

7132980 has 48 divisors (see below), whose sum is σ = 21026880. Its totient is φ = 1801728.

The previous prime is 7132973. The next prime is 7132987. The reversal of 7132980 is 892317.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7132973) and next prime (7132987).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7132987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1989 + ... + 4268.

It is an arithmetic number, because the mean of its divisors is an integer number (438060).

Almost surely, 27132980 is an apocalyptic number.

It is an amenable number.

7132980 is an abundant number, since it is smaller than the sum of its proper divisors (13893900).

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

7132980 is a wasteful number, since it uses less digits than its factorization.

7132980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6288 (or 6286 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 7132980 is about 2670.7639356559. The cubic root of 7132980 is about 192.4968684485.

The spelling of 7132980 in words is "seven million, one hundred thirty-two thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 6257 12514 18771 25028 31285 37542 62570 75084 93855 118883 125140 187710 237766 356649 375420 475532 594415 713298 1188830 1426596 1783245 2377660 3566490 7132980