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80228952 = 23322115281
BaseRepresentation
bin1001100100000…
…11001001011000
312120222001102200
410302003021120
5131014311302
611543330200
71662635436
oct462031130
9176861380
1080228952
1141318221
1222a50960
131381066b
14a925d56
15709b81c
hex4c83258

80228952 has 48 divisors (see below), whose sum is σ = 218357880. Its totient is φ = 26611200.

The previous prime is 80228947. The next prime is 80228957. The reversal of 80228952 is 25982208.

It is an interprime number because it is at equal distance from previous prime (80228947) and next prime (80228957).

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 (80228957) 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, 12552 + ... + 17832.

Almost surely, 280228952 is an apocalyptic number.

It is an amenable number.

80228952 is an abundant number, since it is smaller than the sum of its proper divisors (138128928).

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

80228952 is a wasteful number, since it uses less digits than its factorization.

80228952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5504 (or 5497 counting only the distinct ones).

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

The square root of 80228952 is about 8957.0615717433. The cubic root of 80228952 is about 431.2975982749.

The spelling of 80228952 in words is "eighty million, two hundred twenty-eight thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 211 422 633 844 1266 1688 1899 2532 3798 5064 5281 7596 10562 15192 15843 21124 31686 42248 47529 63372 95058 126744 190116 380232 1114291 2228582 3342873 4457164 6685746 8914328 10028619 13371492 20057238 26742984 40114476 80228952