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120430953 = 3213381217
BaseRepresentation
bin1110010110110…
…10000101101001
322101121112012200
413023122011221
5221312242303
615541130413
72661434436
oct713320551
9271545180
10120430953
1161a86615
12343b9a09
131bc48126
1411dccb8d
15a88d3a3
hex72da169

120430953 has 6 divisors (see below), whose sum is σ = 173955834. Its totient is φ = 80287296.

The previous prime is 120430951. The next prime is 120430957. The reversal of 120430953 is 359034021.

It can be written as a sum of positive squares in only one way, i.e., 92679129 + 27751824 = 9627^2 + 5268^2 .

It is not a de Polignac number, because 120430953 - 21 = 120430951 is a prime.

It is a super-2 number, since 2×1204309532 = 29007228880976418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120430951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6690600 + ... + 6690617.

It is an arithmetic number, because the mean of its divisors is an integer number (28992639).

Almost surely, 2120430953 is an apocalyptic number.

It is an amenable number.

120430953 is a deficient number, since it is larger than the sum of its proper divisors (53524881).

120430953 is a wasteful number, since it uses less digits than its factorization.

120430953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13381223 (or 13381220 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 120430953 is about 10974.1037447256. The cubic root of 120430953 is about 493.8321658270.

Adding to 120430953 its reverse (359034021), we get a palindrome (479464974).

The spelling of 120430953 in words is "one hundred twenty million, four hundred thirty thousand, nine hundred fifty-three".

Divisors: 1 3 9 13381217 40143651 120430953