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54143970 = 2351804799
BaseRepresentation
bin1100111010001…
…0101111100010
310202212210120020
43032202233202
5102330101340
65212254310
71225134066
oct316425742
9122783506
1054143970
1128621191
1216171396
13b2a966a
147295aa6
154b479d0
hex33a2be2

54143970 has 16 divisors (see below), whose sum is σ = 129945600. Its totient is φ = 14438384.

The previous prime is 54143959. The next prime is 54143981. The reversal of 54143970 is 7934145.

It is an interprime number because it is at equal distance from previous prime (54143959) and next prime (54143981).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902370 + ... + 902429.

It is an arithmetic number, because the mean of its divisors is an integer number (8121600).

Almost surely, 254143970 is an apocalyptic number.

54143970 is an abundant number, since it is smaller than the sum of its proper divisors (75801630).

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

54143970 is a wasteful number, since it uses less digits than its factorization.

54143970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804809.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 54143970 is about 7358.2586255173. The cubic root of 54143970 is about 378.3119258373.

The spelling of 54143970 in words is "fifty-four million, one hundred forty-three thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 1804799 3609598 5414397 9023995 10828794 18047990 27071985 54143970